3. Mario Took a history test, and Jennifer took a math test. The mean of the math test was a 74, and the mean of the history test was a 78. The z-score for Mario was 1.7, and the z-score for Jennifer was 1.54. Who scored relatively higher on his or her test?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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i
mean value? Explain.
2. Which graph do you think has the greater
standard deviation? Explain.
5.0
Read each word problem, answer the question, and
explain your reasoning.
3. Mario Took a history test, and Jennifer took a
math test. The mean of the math test was a
74, and the mean of the history test was a 78.
The z-score for Mario was 1.7, and the z-score
for Jennifer was 1.54. Who scored relatively
higher on his or her test?
4. Tanya took a quiz in her history class. The
mean was 72 points, and the standard
deviation was 10 points. Olga scored 86
points on a quiz in her science class, which
had a mean of 74 points and a standard
deviation of 5 points. What is the minimum
score that Tanya should have earned to score
relatively higher than Olga?
5. Letitia swam the girls 100m freestyle in 56.5
seconds. Ben swam the boys 100m freestyle
in a time of 50.3 seconds. The mean time for
the girls 100m at the swim meet was 58.6
seconds with a standard deviation of 2.3
seconds. The mean time for the bows 100m at
OCT
27
tv
S d
MacBook Pro
12. b
13. b
2
Transcribed Image Text:i mean value? Explain. 2. Which graph do you think has the greater standard deviation? Explain. 5.0 Read each word problem, answer the question, and explain your reasoning. 3. Mario Took a history test, and Jennifer took a math test. The mean of the math test was a 74, and the mean of the history test was a 78. The z-score for Mario was 1.7, and the z-score for Jennifer was 1.54. Who scored relatively higher on his or her test? 4. Tanya took a quiz in her history class. The mean was 72 points, and the standard deviation was 10 points. Olga scored 86 points on a quiz in her science class, which had a mean of 74 points and a standard deviation of 5 points. What is the minimum score that Tanya should have earned to score relatively higher than Olga? 5. Letitia swam the girls 100m freestyle in 56.5 seconds. Ben swam the boys 100m freestyle in a time of 50.3 seconds. The mean time for the girls 100m at the swim meet was 58.6 seconds with a standard deviation of 2.3 seconds. The mean time for the bows 100m at OCT 27 tv S d MacBook Pro 12. b 13. b 2
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