1. Exploring One-Variable Data

Comparing Distributions Of A Quantitative Variable — Quiz

Test your understanding of comparing distributions of a quantitative variable with 5 practice questions.

Practice Questions

Question 1

When comparing two distributions of a quantitative variable, which feature is most appropriate to describe the center of a roughly symmetric distribution with no strong outliers?

Question 2

Two classes have exam score distributions. Class A is tightly clustered around $78$, while Class B has scores spread widely from $40$ to $100$. Which statement best compares the variability?

Question 3

A student compares two boxplots and sees that one distribution has a longer right whisker and several high values far above the rest. What is the best description of that distribution?

Question 4

Which summary is most useful for comparing the centers of two skewed distributions with outliers?

Question 5

Two distributions have the same median, but one has a much larger interquartile range. What does this tell you?