Question

question 7 ch 1 the purpose of pie charts and bar charts is to help the audience grasp the distribution of the data quickly hide the data from the audience impress the audience with interesting colors and shapes display the distribution of quantitative variables question 8 ch 1 in a study of commuting patterns of people in a large metropolitan area, respondents were asked to report the time they took to travel to their work on a specific day of the week. what is the variable of interest? travel time a person city in which they lived day of the week

Explanation:

Pie charts and bar charts are visual - aids in data representation. Their main goal is to present data distribution clearly for quick understanding. In the second question, the study focuses on the time taken to travel to work, so the variable of interest is travel time.

Answer:

Question 7: help the audience grasp the distribution of the data quickly
Question 8: travel time