Statistics Essay Examples and Topics

On the other hand, the researcher will be required to establish the relationship between the frequency of taking certain meals or beverages and gains in weight.

Much attention should be devoted to construction and content validity of the questionnaires; the scores must be reliable; the questions should be clear and precise hence mutually exclusive answers; the interviewer must be consistent and [...]

Moreover, when persons have to present the solution to this or that question or decide how to act in the definite situation they also use the statistical data on the issue as one of the [...]

The information the calculator analyzes is derived from the amount of error accommodated by the researcher, the size of uncertainty, the number of the sample, and the distribution of the given responses.

In other words, the article expresses the main criteria as to which to evaluate the statistics and conclude whether the facts and outcomes derived from it are bound to be truthful or not.

This concurs with the general feeling 60% of the employees have that the pay they receive is not commensurate with the work they do as shown in the corn bar graph above.

Given both ice scream sales and the occurrence of drowning correlate positively with temperature, it implies a positive correlation between ice scream sold per month and the number of drownings occurring in the particular month. [...]

The casual technique is a quantitative method that relies on the interpretation of the behavior of the casual relationship between two variables and the independent variable.

After the purchase of the bags, the bags are opened, and the number of each color is recorded under the bag.

One of the examples of statisticulation is the use of maps by companies. For example, when measuring the effectiveness of a skincare product, the sample should be large enough to provide reliable data.

The last type of variable is an extraneous variable, which stands for the type of variable that is not independent and is not explicitly controlled by the researcher, leading to some unexpected outcomes and effects [...]

The project is focused on the analysis of data to determine the association between study hours and grades in an educational facility.

In the paper, it is established that the simple regression is similar to the bivariate correlation except for the bivariate correlation does not separate between dependent and independent variable.

The article The Median Is not the Message written by Stephen Gould highlights the idea that statistical information can be very misleading to people who have not been trained to analyze it.

This paper focuses on the analysis of the results for Quiz 3 provided in the dataset Grades.sav. HA: There are statistically significant differences in the results for Quiz 3 depending on the class section.

In the first stage of data collection, the selection of the division manager and six managers was based on convenience sampling as the sample was chosen based on ease.

The importance of statistics is to determine the type of data required, how it is collected, and the way it is analyzed to get factual answers.

Hays states that if the number of data observations is even, the median is generally considered to be the average of the two middle values.

This paper focuses on the analysis of correlations between four variables, including the number of correct answers in Quiz 1, grade point average, total number of points earned in class, and number of correct answers [...]

In other words, the main criterion we operate in hypothesis testing is to study the value of the test parameter, the p-value.

Of interest in this context is the relationship between the range of such a throw and the angle of the initial position of the load.

One of the key business issues in regards to the selected sport is the evaluation of player performance metrics, which is especially critical in regards to quarterbacks, who are responsible for scoring touchdowns.

This sweeper used the technology of having a water chamber inside the machine to clean the air and collect the dust particles.

Total number of appeals =1762 Total numbers of reversal is 199 Probability= 100=11. 1129 Domestic relations court Total numbers of appeals=106 Total number of reversals=17 Probability= 100=16.

The chi-square statistic test illustrates the extent of the association between the measured values and the envisaged values. Consequently, the chi-square probability can be established from the data using the degrees of freedom of the [...]

A pie chart display of the data shows that the individual country which had the highest number of female tennis players in the 2010 chart of best female tennis players was Russia, with a 14 [...]

The data set will analyze the NBA for the Philadelphia 76ers between 1997 and 1999 and the Los Angeles Lakers from 2017 to 2019. The fifth step is calculating the test statistic and the p-value [...]

Minor cycles in the economic activity named after Joseph Kitchin, a British statistician, who identified the major and minor cycles.

After designing the models, the user can solve the samples before fitting them to the data with the help of special mathematical and statistical methods. Thereafter, the user is required to describe the attributes of [...]

The study period is a predictor variable because it influences the outcome of the exam score. The descriptive table below shows that the average period of study of 80 students is 13.

For example, when deciding on the marketing strategy of the business, statistics helps in getting the actual data that can be used to advertise the products of a business.

It is conversant with the history of the organization and is aware of the details of the organization's goals and objectives.

This will help determine whether the new idea that the company will be introducing will work in the market and whether its impact on the total income of the company is a risk worth taking.

Among the similarities, first of all, both t-tests aim to assess if there appears to be an evident disparity between the means of the two groups.

It is possible to make the analogy between water flow in the wide Mississippi River with its eddies and obstacles to turbulence in the free atmosphere at low and high altitudes. The Mississippi River has [...]

A measure of the reliability of using a given model is the coefficient of determination, which determines the percentage of the variance of the dependent variable in terms of the independent variable: the higher this [...]

M1MTHYRS912 is a continuous variable that shows how many years of experience the math teacher had at the moment of the survey.

The metrics were as follows sunshine hours, cost of a bottle of water, obesity levels, life expectancy, pollution, annual average hours worked and happiness levels.

Measures of Central Tendency About the Height and Weight of The Sample Visualizing with a scatter plot helps to understand the overall trend of the distribution of the variables relative to each other.

The research problem identified by the investigator relates to the prevalence of distress in the police occupation. The primary variable of the study was the mean stress measure, which was derived from the Langner-22 list [...]

Married women represent the majority of the pull. Table: Distribution of payment methods used by the customers

Alternatively, the purpose may be to test the null hypothesis, that is testing if the effect is only because of the input variables.

The statistic is describing the claims by Labour that the NHS uses 500 million a year to treat wounds caused by knife crimes.

In addition, descriptive statistics would enable the analyst to evaluate the spread of the marks. While inferential statistics utilize samples from data, descriptive statistics tend to use the whole data.

The measures of central tendency differ in how much use they make of the data, especially of the extreme values, but they are all trying to explain something about where the center of distribution lies.

The assumptions of correlation for gpa and final: Final and GPA variables are independent. Final and GPA scores are linearly related.

The model can be tested for statistical significance, but the most appropriate way to examine the impact of the individual variable impact on the S&P 500 is testing for different beta notes.

In particular, the study seeks to prove the connection between the variables and analyze the main characteristics and nature of this connection.

A practical example of a quantitative analysis is observed in an article in the BBC titled, How the internet transformed business.

To determine the significance of the constructed models and results, a p-value parameter is used at a significance level of.05. The first part of the general statistical analysis requires a Pearson correlation test to determine [...]

It is widely employed in research and has numerous different methods of operation that depend on the size of a sample and the purpose of the study.

Because all of the data used in this project were of the quantitative type, it was relatively easy to calculate the values of the central tendency measures for them.

The measure is similar to RR; however, it is calculated by dividing of odds of the event in one group compared to the other.

0, the p-value is 0. From the correlations results in table 3.

Consequently, sampling can be defined as a method used to select a required sample from the whole population. Furthermore, probability-based methods can be divided into simple random sampling, systematic sampling, stratified sampling, and cluster sampling.

Two primary software choices are available for the analysis of the qualitative data obtained for the Title IV-E project: Dedoose and Microsoft Excel.

I have listed the workout and menu as the main parameters to be assessed in my plan. Metrics are used in the entertaining sector to understand the coverage area, customers' preferences, and cash flow from [...]

As seen in Table 1, the mean of the Percentage of the Disadvantaged Students is 42. As seen from Figure 1, the distribution of values is right-skewed and platykurtic.

Statistics can be defined as the collection of information from a certain set of data. The analysis of data enables one to arrive at solutions to problems.

Employees then measured the amount of soda in each of the 30 bottles and tabulated the findings for further analysis. The mean for ounces in the 30 bottles sampled is less than the recommended 16 [...]

The data for the three variables will cover the period between 1980 and 2016. The data are summarized in the table below.

Regression, on the other hand, reverses this relationship and expresses it in the form of an equation, which allows predicting the value of one or several variables based on the known values of the remaining [...]

The mean, the mode, and the median are the three measures of central tendency that are critical in describing a clustering pattern of distribution of a given data.

Concrete deterioration is a major issue in the construction industry because it reduces the durability of structures, weakens the stability of buildings, causes the loss of lives, and contributes to the loss of property.

Instead, the estimation of the link between the geographical location and the enthusiasm of the staff was rather even in most cases.

The goal of descriptive and inferential statistics is to provide summaries of data in a manner that is useful and simple.

Seeing that the ability to change throughout the study can be viewed as the basic feature of a variable, it is reasonable to assume that the subject matter may help identify the correlation between the [...]

This activity is based on the assumption that it is possible to understand the properties of a certain population by examining a part of this population.

Applying regression techniques by drawing a scatter plot of real-world data of MLB payroll amounts and win totals copied to the Excel spreadsheet, it is practical to establish the nature of the relationship between the [...]

The mean is computed by adding all the numbers and dividing the sum by the total number of numbers in this specific data set, which is 5[/5]. 6 The sum of the squares of the [...]

The analysis of covariance is a statistical method in research studies utilized in determining the effect of the independent variable on the dependent variable while eliminating the impact of covariate factors.

This study aims to propose an experiment in which the performance of the Delta Max paper airplane is compared to other paper airplane models in the context of the range and duration of the flight.

Self-esteem and "I use social networking for gratification" has a weak positive correlation, r =. The interaction between the post frequency binary and the social comparison F =.

Thus, the essay will comment on the plan for data analysis of demographic variables using descriptive statistical tests and the approach to analyze study variables using descriptive and inferential tests.

From the data analysis, the statistical mean and the sample standard deviation were found to be 65. From the study, the probability of participants being shorter than 64 inches was 0.

The goal of blackjack is to beat the dealer's point total without going over 21 and there are three ways to beat the dealer: Get 21 points on the player's first two cards without a [...]

There are four main types of research data; the first is nominal data where the expression of data categories is in numbers.

In order to perform the calculations, the information was organized in the form of a table suitable for chi-square analysis. Dataset In order to answer the research question, the goodness of fit chi-square test was [...]

The dependent variable is the GPA, the independent variables are; Final marks, and the total marks. The measurement of these variables is the ordinal and the sample size is 105.

It includes the statistical assumptions of the test, SPSS syntax and output including the mean, median, mode, range, minimum, maximum and standard deviation of the two variables, and a chart describing that data.

The bimodal distribution is a right-skewed distribution for the mode on the right side is smaller than the mode on the left side of the distribution.

Describe the basic characteristics of a normal distribution and the normal curve. The probability distribution, p, of a variable in a normal distribution is determined by the area under the normal curve.

Examples of in which research results would be communicated to other members of the company, and explanation of how the research would be communicated as well as technology that would be used to demonstrate the [...]

According to the developed hypothesis, it becomes clear that a confidence interval parameter of with a random variable of X, the confidence level of p, and the following sample: is called a bordered interval.

In order to support his argument, Gigerenzer discusses the 'null ritual' in detail, concentrates on Fisher's and Neyman-Pearson's ideas and associated misunderstandings, refers to the researchers' feeling of guilt, focuses on collective illusions, discusses the [...]

In their article "Hold My Calls: An Activity for Introducing the Statistical Process," Abel and Poling described the specific statistical activity that can be used in the teaching-learning process at the secondary level to explain [...]

For the study, the researcher creates a table with random numbers and uses the sampling frame to assign numbers to everyone in the population.

The deductive approach of statistics is different from the inductive approach in that it aims at testing hypotheses instead of formulating theories, like is the case with the indicative strategy.

For instance, quantitative research focuses on the numbers and their interrelation by trying to establish theories and models based on the fact-findings.this is not the same with qualitative research, which focuses on establishing why such [...]

Thus, the chief purpose of this research is to provide information on the effectiveness of the new campaigns in shifting the attitude of both potential and existing students of the Deakin University to the Deakin [...]

This is one of the chief advantages of the probability sampling as the research is generalizable to the wider population. Sampling error is the degree of variation of the sample traits from those of the [...]

Each technique has its own advantages and disadvantages, and it should be the function of the researcher to choose the technique that offers maximum benefits in the context that it is used in.

In the case of particular events, data on the number of students who graduated, the number of students who published a research paper, and the total number of students are known for each professor at [...]

Table 1: Results of Descriptive Statistics for Each Year Based on the data in this table, it can be seen that the total and the average Brazilian population, measured for 269 cities, grew continuously from [...]

The standard deviation measures how far the mean is from the mean, while the coefficient of variation measures the ratio of the standard deviation to the mean.

This helps to determine the substantial variance in the data and thus provides an estimate of how strong the group of students as a whole was. Raw data collected from respondents in the survey Table [...]

Table 1 Results of the 2000 Presidential Election in Florida From the Plurality Method, the winner is Bush, who has the most votes compared to the other candidates.

Correlation studies refer to the study of the relationship between two continuous variables, the purpose of which is to determine the strength and direction of the relationship.

On the contrary, the components of inferential analysis in this paper include conducting t-tests to assess the significance of differences between groups, correlation, and regression tests to measure the strength and direction of the relationship [...]

The only challenge here is the accuracy of the hypothesis, which can lead to false results. Thus, it is important to consider what kind of data will be used for the data.

For a more detailed analysis of the application of statistics will be taken an example of the field of marketing, where it is necessary to assess the effectiveness of the advertising campaign.

Because of this division, the differences and trends in the number of children belonging to families below the poverty line are most evident. In addition, a summary of ethnicity information at the federal and state [...]

The main goals of descriptive statistics are the systematization and description of data for observation. Data dissemination of data can be assessed as an essential component of the information aspect of life and a significant [...]

In addition, I would use the scatterplot to display a relationship between two variables such as age, and the occurrence of a particular ailment.

It is defined as a variation in the "non-constant error variance," or the idea that in the event predictors are included in a regression model, the residual variability is altered as a function of something [...]

Thus, for the first website, the average number of visits over the past three years was 10500, and for the second, 10978.

The purpose of the present correlation analysis was to identify the nature of the relationship between respondents' perceptions of generalized anxiety that may have been experienced and scores on the SNAQ-12 scale assessing snake [...]

The results of the analyses will be used to explore the association between pet ownership and physical activity level and to identify factors that could influence the relationship between these two variables.

The non-parametric nature of the method is due to the lack of the need to evaluate for assumptions about the normality of the distribution; that is, the data for analysis do not necessarily have to [...]

According to Zhang et al, "the coefficient of determination is the measurement of how well the regression model fits the data".

The first observation was that the concentration of the chlorophyll units in the fertilized area of the river, which was below the phosphoric acid drip point, was higher in comparison with the concertation of chlorophyll [...]

The popularity of regression analysis lies in the fact that it allows one to consider many industrial, market, and societal factors. In an era of data overabundance, the inability to fix data reduces its quality [...]

One of the most generalized and understandable ones views it as a table representing the distribution of one variable in rows and another in columns, which helps to understand the association and correlation between two [...]

After the distraction part was over, the participants were asked to recall the twelve adjectives they rated from a list of 42 words. This brings the question of whether the results would be different if [...]

The quality of such heating is determined by a combination of factors, including the deterioration of the house, thermal insulation, the number of people living in the household, exposure to wind, and others.

25% It is almost certain that the probability to predict the next ten throws of a coin is zero. A coin is chosen randomly where every of the 19 coins has equal chances of being [...]

Table 1 and Table 2 show the results of a simple regression analysis: one can see that only for type 1 cuffs the model is significant, and the predicted regression equation is y = 417.

In the case of the first state of nature, the demand for the COVID-19 vaccine and Amoxicillin will increase; the second state of nature would mean that the demand for COVID-related pharmaceuticals remains the same, [...]

In conclusion, statistics enable healthcare professionals to conduct qualitative research that establishes various connections between factors affecting one's health and the outcomes stemming from them.

The second option is to divide the bets in the ratio in which the wins were: that is, give $150 to the first player and $50 to the second player.