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Questions and Answers
What is the primary purpose of using descriptive statistics?
What is the primary purpose of using descriptive statistics?
- To determine cause-and-effect relationships
- To make predictions about a population
- To summarize and describe the characteristics of a sample (correct)
- To test hypotheses about a population
Which of the following is a measure of central tendency?
Which of the following is a measure of central tendency?
- Variance
- Standard deviation
- Range
- Median (correct)
What does the range represent in a dataset?
What does the range represent in a dataset?
- The difference between the largest and smallest values (correct)
- The average of all values
- The square root of the variance
- The most frequent value
Which of the following is a common way to visually represent categorical data?
Which of the following is a common way to visually represent categorical data?
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What does a standard deviation measure?
What does a standard deviation measure?
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