Four students take tests. The results of each test for the class and the student are listed in the choice. Which student has the highest Z Score? a.John who scored an 85 and whose class averages 77 with a standard deviation of 4. b.Tammy who scored an 86 and whose class averages 82 with a standard deviation of 3. c.Rob who scored an 87 and whose class averages 73 with a standard deviation of 11. d.Sandra who scored a 90 and whose class averaged an 81 with a standard deviation of 7.
Four students take tests. The results of each test for the class and the student are listed in the choice. Which student has the highest Z Score? a.John who scored an 85 and whose class averages 77 with a standard deviation of 4. b.Tammy who scored an 86 and whose class averages 82 with a standard deviation of 3. c.Rob who scored an 87 and whose class averages 73 with a standard deviation of 11. d.Sandra who scored a 90 and whose class averaged an 81 with a standard deviation of 7.
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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Four students take tests. The results of each test for the class and the student are listed in the choice. Which student has the highest Z Score?
a.John who scored an 85 and whose class averages 77 with a standard deviation of 4.
b.Tammy who scored an 86 and whose class averages 82 with a standard deviation of 3.
c.Rob who scored an 87 and whose class averages 73 with a standard deviation of 11.
d.Sandra who scored a 90 and whose class averaged an 81 with a standard deviation of 7.
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