5. Statistics and Probability

Measures Variation — Quiz

Test your understanding of measures variation with 5 practice questions.

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Practice Questions

Question 1

What is the formula for calculating the sample variance?

Question 2

If a dataset has a variance of 64, what is its standard deviation?

Question 3

Consider a dataset with values $3, 7, 7, 19. What is the sample variance?

Question 4

What does a high variance indicate about a dataset?

Question 5

Which of the following statements is true regarding the relationship between variance and standard deviation?