23. Lesson 4(DOT)3(COLON) Variance and standard deviation
Key Themes In Lesson 4.3: Variance And Standard Deviation — Quiz
Test your understanding of key themes in lesson 4.3: variance and standard deviation with 5 practice questions.
Practice Questions
Question 1
What does variance measure in a data set?
Question 2
What is the formula for calculating the variance of a population?
Question 3
Which of the following statements about standard deviation is true?
Question 4
If a data set has a variance of $25$, what is the standard deviation?
Question 5
Which of the following can impact the variance of a data set?