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Solved: Exercises 111 and 112 refer to the following setting. We used CensusAtSchools
Chapter 1, Problem 112(choose chapter or problem)
Exercises 111 and 112 refer to the following setting. We used CensusAtSchool’s “Random Data Selector” to choose a sample of 50 Canadian students who completed a survey in a recent year. Let’s chat (1.1) The bar graph displays data on students’ responses to the question Which of these methods do you most often use to communicate with your friends?
(a) Would it be appropriate to make a pie chart for these data? Why or why not?
(b) Jerry says that he would describe this bar graph as skewed to the right. Explain why Jerry is wrong.
Questions & Answers
QUESTION:
Exercises 111 and 112 refer to the following setting. We used CensusAtSchool’s “Random Data Selector” to choose a sample of 50 Canadian students who completed a survey in a recent year. Let’s chat (1.1) The bar graph displays data on students’ responses to the question Which of these methods do you most often use to communicate with your friends?
(a) Would it be appropriate to make a pie chart for these data? Why or why not?
(b) Jerry says that he would describe this bar graph as skewed to the right. Explain why Jerry is wrong.
ANSWER:
Step 1 of 2
(a)
Yes, it will be appropriate to make a pie chart for these data because the chart includes all the categories that make up a whole, ie; 100%. The question is about the most often used method to communicate, so each student will have only one response.