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Questions and Answers

What is the primary focus of descriptive analysis in statistics?

Analyzing the relationships between variables

Statistically describing and aggregating variables (correct)

Identifying patterns and trends in data

Testing hypotheses and making inferences

Which of the following is a measure of central tendency?

Standard deviation

Frequency distribution

Correlation coefficient

Mode (correct)

What is the primary goal of inferential analysis?

To identify correlations between variables

To identify patterns and trends in data

To make inferences about a population based on a sample (correct)

To describe a sample of data

What is dispersion in statistics?

A measure of variability in a distribution Signup and view all the answers

What is the primary purpose of statistical testing in inferential analysis?

To test hypotheses and make inferences Signup and view all the answers

What is the difference between descriptive and inferential analysis?

Descriptive analysis is used for descriptive statistics, while inferential analysis is used for hypothesis testing Signup and view all the answers

What is the measure of central tendency that represents the middle value in a dataset?

Median Signup and view all the answers

What is the measure of dispersion that represents the difference between the highest and lowest values in a dataset?

Range Signup and view all the answers

What is the test of relationship that measures the statistical relationship between two categorical variables?

Chi-Square Signup and view all the answers

What is the measure of central tendency that represents the value that occurs most often in a dataset?

Mode Signup and view all the answers

What is the test of relationship that measures the statistical relationship between two continuous variables?

Pearson Correlation Coefficient Signup and view all the answers

What is the measure of dispersion that represents how spread out numbers are?

Standard Deviation Signup and view all the answers

What is the primary purpose of using ANOVA?

To determine significant differences of scores among three or more groups Signup and view all the answers

Which software is free to download and use, and allows researchers to add their own programs to it?

R Signup and view all the answers

What type of test is used to determine significant differences of scores between two groups?

t-Test Signup and view all the answers

Which statistical technique is used to study the relationship between two or more variables?

Correlation analysis Signup and view all the answers

What is the purpose of using a test of difference?

To determine significant differences of scores between or among groups Signup and view all the answers

Which software is commonly used by social scientists for quantitative data analysis?

SPSS Signup and view all the answers