Topic 9: Quantitative Reasoning: Data Analysis
Lesson 9.1: Descriptive Statistics — Quiz
Test your understanding of lesson 9.1: descriptive statistics with 5 practice questions.
Practice Questions
Question 1
What is the mean of the numbers 5, 7, 3, 9, and 11?
Question 2
If the numbers 2, 3, 3, 5, and 8 are arranged in ascending order, what is the mode?
Question 3
What is the range of the data set consisting of 4, 15, 9, 22, and 7?
Question 4
What is the median of the following set of numbers: 10, 5, 8, 13, and 6?
Question 5
Which of the following numbers represents the 25th percentile (first quartile) of the set 1, 3, 5, 7, 9?