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.

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.

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.

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

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.

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.

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. [...]

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

The criterion behind the collection of the data as well as its representation and interpretation employs a good deal of statistics: a science that employs mathematical concepts and principles in data collection and processing.

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

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 [...]

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 [...]

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

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.

The number is generated in a predictable manner and is pseudo random in nature. The generated random number is 3.

Most of the items in the questionnaire used a 5-point Lickert-type scale, and data were analyzed using a descriptive statistical method involving the tabulation of frequency distributions and the development of simple bar charts to [...]

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.

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 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.

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.

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.

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

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.

The independent variable of this research is the degree of physical activity, while the independent variable is the level of stress.

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 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.

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

The report later presents a descriptive analysis of the variables of interest and a statistical analysis of the selected variables relating to movie likes on Facebook and movie ratings.

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 [...]

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

Thus, even though there is a significant difference between the desired perceived level of democracy and the actual perceived level of democracy, the difference is small.

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.

Data set was obtained from the NBA was categorical to the; NBA Team, year of specific games, points scored, and average level of the competence of the team.

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

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 [...]

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.

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 [...]

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.

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.

Analysis of variance, which is also known as ANOVA refers to the techniques employed to analyze effects of categorical factors. Analysis of variance, which is also known as ANOVA refers to the techniques employed to [...]

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 [...]

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 relationship between the independent and dependent variables is the primary focus of the research. Therefore, to measure the validity and reliability of the research idea, it is crucial to investigate the consistency of obtained [...]

In this way, a correlation analysis is concerned with the strength of the relationship strictly between the two variables under consideration.

In general terms, the one-sample t-test can be defined as a procedure that allows researchers to make a statistical assessment about the level or degree of divergence between the sample mean and the national average [...]

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 [...]

The implementation of statistical analysis, in this case, takes the form of determining to what extent specific employee training programs can derive the greatest amount of performance from employees while determining the necessary cost of [...]

In this paper, regression analysis is performed to predict the relationship between the time series and the time spent watching television each day measured in minutes. This is further supported by the predicted values obtained [...]

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.

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 [...]

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

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.

The analysis helps determine the patterns in the data and how fertility is related to life expectancy. The range for life expectancy was 30.

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.

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 [...]

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 [...]

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.

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.

Old sensors returns = x = 8, and new sensors returns = x = 17. Old sensors = n = 250, and new sensors = n = 250.

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 [...]

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 [...]

5 years shows that the age values of the 10 patients are not skewed towards one end given that the minimum age is 35 years and the maximum age is 86 years.

Table 1: The amount of time I spend cooking meals each day From the data, the longest time was spent cooking on days when I had three meals in the house on days 1 and [...]

Large values of the variance denote large dispersions, which implies the mean of the data set is not a good representation of the observed data. It also shows there is even dispersion from the mean [...]

A factorial ANOVA was conducted to compare the main effects of classroom size and gender and the interaction effect between classroom size and gender on math scores. Therefore, classroom size and gender have a significant [...]

To use factor analysis to determine the nature of the underlying relationships, we have to use this set of random data as our data are set in SPSS.

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

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 [...]

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.

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.

According to the literature review, service quality is measured by the tangibility of the consumer's surroundings which is represented by objects or subjects, the reliability of the service provider, the involvement and interaction of the [...]

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 [...]

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.

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 [...]

The main concepts of the article are the description of the statistical method and the variables that affect the final results.

This is because of the practical operation at the dairy farm, the manageability of the day-to-day operation, and the cost involved with them.

Bivariate correlation analysis was used to understand how the alignment of compensation method, employment status, and work schedule affected the retention intention of midwives.

ANOVA is the short-form form for Analysis of Variance, the repeated ANOVA is one of the members of the ANOVA family, it compares the mean of one or more variables taken from a set of [...]

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.

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

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

The authors, for the first time, speak out about the potential threat of significant differences in the assessment of the beauty and quality of the work of male and female teachers.

This is the data analysis of the population growth of the population in the states of the USA, which are organized in the table.

The present report aims at analyzing factors that affect the commuting time of students to the university. Descriptive statistics of time to the university by gender.

For instance, this study attempts to model the life expectancy of people on different variables to answer the fundamental question of "how can researchers use econometric factors to predict the lifespan of a person"?

A real-world example of hypothesis testing is the comparison of the battery life of Android smartphones and IOS smartphones with similar features.

The second model shows that the independent variables, parenting style and sibling aggression, and the dependent variable, aggression have a weak positive correlation coefficient.

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 example to apply is a case of a pharmacy with an owner interested in knowing the time taken in the pharmacy and money spent by every tenth client in minutes and dollars, respectively.

Depending on quality and purpose of the information to be collected, different types of interviews are incorporated in the methodology segment of a research assessment.

The second requirement in a chi-squared test is that of independence among the observations, that is, the test cannot be used on correlated data.

The professor summarized the data from all six groups in a table that counted the total amount of candy in each bag for each group. The professor also found outliers in group #3 data, and [...]

The median blood sugar level for both groups is 125, the mean blood sugar level for the Alpha Group is 149, and the mode for the two groups cannot be determined.

When applied to business factors of interest to one for prediction, regression shows how alterations of one source of influence most likely will impact the other. Multiple regression is applied similarly, allowing the individual to [...]

The candidate for participation was briefly told the goals and objectives of the research project, and their gender and average sleep duration were surveyed.

Table 1: School H's students' tuition enrollment rates before and after the implementation of the assistance program in 2006 In Table 1, the data are presented in columns showing variables for the year, existing enrollment [...]

Data on general attitudes toward a particular area of the state were collected on an ordinal five-point Likert scale, where "1" corresponds to the lowest degree of attractiveness of the region to the respondent and [...]

This is a poor way to collect the sample since it may result in a biased sample that is not representative of the target group and may undermine the ability to generalize to the population [...]

5 are the numbers in the center. The given set of numbers' median is 70.0%.

Descriptive statistics were calculated to determine which of the eight factors were the most important for the respondents in their selection of shopping areas.

When Mark Twain defined the types of lies, the researcher meant that not all statistics are actual and that most of them are meant to influence people's minds.

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.

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 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 [...]

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.