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Statistics Multiple Choice Quiz

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1. Which of the following measures is used to describe the spread of values in a data set?

2. In hypothesis testing, the null hypothesis is often denoted as:

3. Which probability distribution is appropriate for the number of successes in a fixed number of Bernoulli trials?

4. What is the primary purpose of linear regression?

5. What is the term for a sample that accurately reflects the characteristics of the population from which it was drawn?

6. Which of the following is a measure of central tendency?

7. In a confidence interval, the range of values that specifies the level of confidence is known as:

8. Which statistical test is used to compare the means of two independent groups?

9. What does a p-value less than 0.05 typically indicate in hypothesis testing?

10. Which descriptive statistic is most affected by outliers in a data set?