Topic 9: Quantitative Reasoning: Data Analysis

Lesson 9.2: Reading Tables And Graphs — Quiz

Test your understanding of lesson 9.2: reading tables and graphs with 5 practice questions.

Practice Questions

Question 1

In a bar graph showing the number of students enrolled in different majors at a university, if the communication major has a height of 8 units and the biology major has a height of 12 units, how many more students are enrolled in biology than in communication?

Question 2

If a pie chart displays the distribution of expenditures in a budget and the segment for housing is labeled as 25%, what fraction of the budget is allocated to housing?

Question 3

In a boxplot, if the minimum value is 5, the first quartile (Q1) is 10, the median (Q2) is 15, the third quartile (Q3) is 20, and the maximum value is 30, what is the interquartile range (IQR)?

Question 4

If a line graph shows the sales of a product increasing from 200 units in January to 400 units in July, what is the average increase in sales per month over the 6-month period?

Question 5

A scatterplot shows a positive correlation between hours studied and test scores. If a student studies for 5 hours and achieves a score of 85, what can be inferred about their score if they study for 10 hours, assuming the correlation holds?