The first statistics exam had a mean of 73 and a standard deviation of 15 points; the second had a mean of 83 and a standard deviation of 5 points. Anna scored a 82 on both tests. Megan scored 92 on the first exam and 72 on the second. They both totaled 164 points on the two exams, but AnnaAnna claims that her total is better. Explain. Question content area bottom Part 1 The total of Anna's z-scores is enter your response here, which is greater than Megan's total of enter your response here. (Round to one decimal place as needed.)
The first statistics exam had a mean of 73 and a standard deviation of 15 points; the second had a mean of 83 and a standard deviation of 5 points. Anna scored a 82 on both tests. Megan scored 92 on the first exam and 72 on the second. They both totaled 164 points on the two exams, but AnnaAnna claims that her total is better. Explain. Question content area bottom Part 1 The total of Anna's z-scores is enter your response here, which is greater than Megan's total of enter your response here. (Round to one decimal place as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 8PPS
Related questions
Question
The first statistics exam had a mean of
73
and a standard deviation of
15
points; the second had a mean of
83
and a standard deviation of
5
points. Anna scored a
82
on both tests. Megan scored
92
on the first exam and
72
on the second. They both totaled
164
points on the two exams, but
AnnaAnna
claims that her total is better. Explain.Question content area bottom
Part 1
The total of
Anna's
z-scores is
enter your response here,
which is greater than
Megan's
total of
enter your response here.
(Round to one decimal place as needed.)
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