18 Questions
What is the primary focus of descriptive analysis in statistics?
Statistically describing and aggregating variables
Which of the following is a measure of central tendency?
Mode
What is the primary goal of inferential analysis?
To make inferences about a population based on a sample
What is dispersion in statistics?
A measure of variability in a distribution
What is the primary purpose of statistical testing in inferential analysis?
To test hypotheses and make inferences
What is the difference between descriptive and inferential analysis?
Descriptive analysis is used for descriptive statistics, while inferential analysis is used for hypothesis testing
What is the measure of central tendency that represents the middle value in a dataset?
Median
What is the measure of dispersion that represents the difference between the highest and lowest values in a dataset?
Range
What is the test of relationship that measures the statistical relationship between two categorical variables?
Chi-Square
What is the measure of central tendency that represents the value that occurs most often in a dataset?
Mode
What is the test of relationship that measures the statistical relationship between two continuous variables?
Pearson Correlation Coefficient
What is the measure of dispersion that represents how spread out numbers are?
Standard Deviation
What is the primary purpose of using ANOVA?
To determine significant differences of scores among three or more groups
Which software is free to download and use, and allows researchers to add their own programs to it?
R
What type of test is used to determine significant differences of scores between two groups?
t-Test
Which statistical technique is used to study the relationship between two or more variables?
Correlation analysis
What is the purpose of using a test of difference?
To determine significant differences of scores between or among groups
Which software is commonly used by social scientists for quantitative data analysis?
SPSS
Test your knowledge of statistics concepts, including central tendency and dispersion. Learn about modes, medians, and ranges in this quiz.
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