Statistics Essay Examples and Topics

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278 samples

Sample Size Determination and Calculator Analysis

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.
  • Pages: 2
  • Words: 565

Importance of Statistics in Daily Life Essay

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 [...]
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  • Pages: 2
  • Words: 641

Wal-Mart Employee Satisfaction Survey

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.
  • Pages: 2
  • Words: 565

Dependent, Independent, and Extraneous Variables

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 [...]
  • Pages: 1
  • Words: 275

Vacuum Cleaner Design Study

This sweeper used the technology of having a water chamber inside the machine to clean the air and collect the dust particles.
  • Pages: 5
  • Words: 1515

Ice Sales and Drowning: Correlation and Linear Regression

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. [...]
  • Pages: 1
  • Words: 379

Time Series and Causal Models in Forecasting

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.
  • Pages: 2
  • Words: 618

Study Period and Exam Scores Correlation

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.
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  • Pages: 4
  • Words: 1186

Statistics in Business

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.
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  • Pages: 3
  • Words: 925

“How to Lie with Statistics” by Darrell Huff

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.
  • Pages: 2
  • Words: 575

Gender and Test Score Correlation

The assumptions of correlation for gpa and final: Final and GPA variables are independent. Final and GPA scores are linearly related.
  • Pages: 3
  • Words: 700

Health Lifestyle Cities Dataset Analysis

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.
  • Pages: 2
  • Words: 867

Top 100 Female Tennis Players and Their Earnings

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 [...]
  • Pages: 5
  • Words: 1447

Qualitative Research

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.
  • Pages: 3
  • Words: 799

Chi-Square – Test to Evaluate an Intervention

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 [...]
  • Pages: 3
  • Words: 800

Life Expectancy and Its Factors: Econometric Model

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"?
  • Pages: 23
  • Words: 5757

Methodology: Data Analysis Plans

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.
  • Pages: 1
  • Words: 341

Sampling and Sampling Distributions

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.
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  • Pages: 3
  • Words: 817

T-Test for Statistical Analysis

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.
  • Pages: 4
  • Words: 885

Linear Regression Applied to Major League Baseball

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 [...]
  • Pages: 2
  • Words: 464

The Analysis of Covariance (ANCOVA) in Statistics

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.
  • Pages: 2
  • Words: 572

GSS Dataset Analysis Using SPSS

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.
  • Pages: 3
  • Words: 775

Correlational Research

In particular, the study seeks to prove the connection between the variables and analyze the main characteristics and nature of this connection.
  • Pages: 2
  • Words: 443

The Delta Max Paper Airplane Performance Experiment

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.
  • Pages: 3
  • Words: 1080

Statistical Analysis: Soccer Premier League

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.
  • Pages: 4
  • Words: 1229

Study of the Happiness Index Parameters

Thus, the chronological data allow us to evaluate not only the countries among themselves according to this criterion but also to provide the dynamics of the change in the happiness index within the country.
  • Pages: 8
  • Words: 1171

The Independent and Dependent Variables

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 [...]
  • Pages: 1
  • Words: 309

Microsoft Excel in Modern Business Statistics

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 [...]
  • Pages: 2
  • Words: 655

Descriptive Statistics Importance

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.
  • Pages: 2
  • Words: 567

Statistical Data Analysis in Education

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 [...]
  • Pages: 3
  • Words: 870

Central Tendency and Its Measures

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.
  • Pages: 3
  • Words: 830

Research Methods for Business Students

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.
  • Pages: 4
  • Words: 1171

Deakin University’s Market Research

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 [...]
  • Pages: 10
  • Words: 2577

Statistics of the Turbulence in the Atmosphere

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 [...]
  • Pages: 2
  • Words: 604

Introduction to Health Statistics

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 [...]
  • Pages: 2
  • Words: 577

Statistics: The Pearson Correlation Analysis

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 =.
  • Pages: 2
  • Words: 533

Coronavirus Disease 2019: Statistical Analysis

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.
  • Pages: 1
  • Words: 363

One-Sample T-Test Applications and Limitations

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 [...]
  • Pages: 2
  • Words: 589

SAAM (Simulation, Analysis, and Modeling) Model

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 [...]
  • Pages: 8
  • Words: 2214

Statistical and Probability Analysis of Staff

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 [...]
  • Pages: 4
  • Words: 1097

Descriptive and Spatial Descriptive Statistics

Lastly, there are numerous studies such as the one by Phillipson and Erdbrink that demonstrate the capacity of spatial probability in improving the cost-efficiency of cellular networks for mobile operators by analyzing the spatial traffic.
  • Pages: 3
  • Words: 837

StatCrunch Statistical Tool in Hypothesis Testing

05? To prove or disapprove of our professor's claim, I carried out research on the average proportion of clothesperweek population and analyzed the results/findings using StatCrunch. The variable of interest is the average proportion of [...]
  • Pages: 3
  • Words: 834

Sampling Methods for Employee Selection

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.
  • Pages: 5
  • Words: 1260

Correlation and Regression in Statistical Research

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 [...]
  • Pages: 5
  • Words: 1370

Principal Components and Exploratory Factor Analysis

The focus of commonality is significant for the overall analysis for it provides the sum of all correlation values in the component matrix, and thus, it indicates the extent to which the component matrix captures [...]
  • Pages: 5
  • Words: 1456

Concrete Deterioration Statistical Analysis

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.
  • Pages: 12
  • Words: 3396

Qualitative and Quantitative Research Principles Comparison

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 [...]
  • Pages: 3
  • Words: 907

Descriptive Statistics in Healthcare

In addition, I would use the scatterplot to display a relationship between two variables such as age, and the occurrence of a particular ailment.
  • Pages: 2
  • Words: 601

Heteroskedasticity and Autocorrelation in Statistics

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 [...]
  • Pages: 2
  • Words: 581

Data Analysis & Application: ANOVA

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.
  • Pages: 4
  • Words: 835

Statistical Thinking and Research

The main concepts of the article are the description of the statistical method and the variables that affect the final results.
  • Pages: 3
  • Words: 836

Stress Patterns in Police Work: A Longitudinal Study

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 [...]
  • Pages: 8
  • Words: 2481

Regression Analysis of Home Prices

One of the variables that are important in determining the home price is the economic indicators. The other variable that will determine the price of a home is the neighborhood.
  • Pages: 4
  • Words: 1285

Power Analysis: Effective Sample Size

It is commonly used to determine the appropriate sample size that is necessary to detect the effect of given research at the desired level of significance.
  • Pages: 3
  • Words: 831

Statistics: Correlation and Simple Linear Regression

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 [...]
  • Pages: 4
  • Words: 1101

Arab Spring: Research Design and Timeline

In this view, since the study examines the perceptions of the citizens of the Arabian states, a cross-sectional design is the appropriate design for the research.
  • Pages: 6
  • Words: 1727

Inferential Statistics for Plant Fertilizing

Inferential statistics make conclusions and predictions, about the whole population, basing these on the information obtained from the sample. Similar sample information such as trends can be used to predict the outcome of an element [...]
  • Pages: 3
  • Words: 695

Confidence Interval

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.
  • Pages: 4
  • Words: 601

Decision Tree Analysis Statistics

This is probably based on the excellence that the tree is capable of offering, as against other neural networks- since the decision tree is a representation of rules.
  • Pages: 4
  • Words: 1137

“Mindless Statistics” by Gerd Gigerenzer

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 [...]
  • Pages: 2
  • Words: 673

Hypothesis Testing in Practical Statistics

However, it is necessary to explain to the management of the restaurant the significance of the test. In conclusion, hypothesis testing is an important method that helps to determine the effectiveness of different solutions.
  • Pages: 2
  • Words: 623

Correlation Types and Their Uses

If only the first assumption is not met, namely, in the case when one of the variables is dichotomous, then the point-biserial correlation should be used. The interpretation of this coefficient is similar to that [...]
  • Pages: 2
  • Words: 657

Drug Efficacy: Factorial Analysis of Variance

The dependent variable will be the efficacy levels which will be measured by determining the parasitemia of study participants. The independent variables will be drug dosages of 100mg, 150mg and 200mg.
  • Pages: 2
  • Words: 552

Business Problem Matrix and Research Question Hypotheses

Thus in explaining the two approaches, Burian et al noted that the latter helps the researcher to come to terms with the strategies used to market the company's products thereby exploring approaches and later using [...]
  • Pages: 7
  • Words: 2058

Statistical Analysis of Carbon Emissions Across 62 Countries

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 [...]
  • Pages: 11
  • Words: 2975

Use of Statistics in Different Areas of Activity

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.
  • Pages: 1
  • Words: 303

Children Economic Well-Being and Ethnicity Correlation

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 [...]
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  • Pages: 3
  • Words: 965

Descriptive Statistics and Exploratory Analysis

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 [...]
  • Pages: 1
  • Words: 302

Organizational Study: Statistical Analysis

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 [...]
  • Pages: 2
  • Words: 590

IP Assignment: Chi-Square Test

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 [...]
  • Pages: 2
  • Words: 630

Sun Coast’s Data Analysis: Hypothesis Testing

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 [...]
  • Pages: 7
  • Words: 1899

Concentration of Chlorophyll: Regression Analysis

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 [...]
  • Pages: 2
  • Words: 640
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