A) Suppose you are informed that the lowest score on the quiz was 5, and the highest score on the quiz was 23. Would this information be more likely to decrease your estimate for the median? Increase your estimate for the median or not have any impact on your estimate for the median  B) Suppose you are informed that the lowest score on the quiz was 5, and the highest score on the quiz was 23. Would this information be more likely to decrease your estimate for the mean, increase your estimate for the mean, or not have any impact on your estimate for the mean?  C) Suppose that after constructing this histogram, the teacher realizes that one of the students answered the last 4 quiz questions on the back of the sheet of paper and was not graded originally. The teacher regrades that student’s quiz, and the score then changes from 18 to 21. Which measure would be more likely to be impacted by this change: the median or the mean? Explain your reasoning.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A) Suppose you are informed that the lowest score on the quiz was 5, and the highest score on the quiz was 23. Would this information be more likely to decrease your estimate for the median? Increase
your estimate for the median or not have any impact on your estimate for the median 

B) Suppose you are informed that the lowest score on the quiz was 5, and the highest score on the quiz was 23. Would this information be more likely to decrease your estimate for the mean, increase your estimate for the mean, or not have any impact on your estimate for the mean? 

C) Suppose that after constructing this histogram, the teacher realizes that one of the students answered the last 4 quiz questions on the back of the sheet of paper and was not graded originally. The teacher regrades that student’s quiz, and the score then changes from 18 to 21. Which measure would be more likely to be impacted by this change: the median or the mean? Explain your reasoning.

3) Below is a histogram that shows the results of a 24-question quiz that was given to a class of 5th graders on the
topic of current events.
16
Number of
students
14
12
10
8
4
2
Number of
5.5
11.5
17.5
23.5
correct answers
Transcribed Image Text:3) Below is a histogram that shows the results of a 24-question quiz that was given to a class of 5th graders on the topic of current events. 16 Number of students 14 12 10 8 4 2 Number of 5.5 11.5 17.5 23.5 correct answers
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