A teacher had two AP Statistics classes. The mean score on the AP Exam for one class was 3.2, while the mean score for the other class, which had more students, was 3.8. What must be true about the mean score of all of the teacher's AP students? (A) The mean score for all students must be 3.5. (B) It's possible that the mean score of all students is 3.5, but it doesn't have to be. (C) The mean score for all students can be anything between 3.2 and 3.8. (D) The mean score for all students is less than 3.5 but greater than 3.2. (E) The mean score for all students is greater than 3.5 but less than 3.8.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A teacher had two AP Statistics classes. The mean score on the
AP Exam for one class was 3.2, while the mean score for the other
class, which had more students, was 3.8. What must be true about
the mean score of all of the teacher's AP students?
(A) The mean score for all students must be 3.5.
(B) It's possible that the mean score of all students is 3.5, but it
doesn't have to be.
(C) The mean score for all students can be anything between 3.2 and
3.8.
(D) The mean score for all students is less than 3.5 but greater than
3.2.
(E) The mean score for all students is greater than 3.5 but less than
3.8.
Transcribed Image Text:A teacher had two AP Statistics classes. The mean score on the AP Exam for one class was 3.2, while the mean score for the other class, which had more students, was 3.8. What must be true about the mean score of all of the teacher's AP students? (A) The mean score for all students must be 3.5. (B) It's possible that the mean score of all students is 3.5, but it doesn't have to be. (C) The mean score for all students can be anything between 3.2 and 3.8. (D) The mean score for all students is less than 3.5 but greater than 3.2. (E) The mean score for all students is greater than 3.5 but less than 3.8.
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