
Z-Score Practice 2
Quiz
•
Mathematics
•
10th Grade
•
Medium
Emily Smith
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Find the Z-score.
Mean = 22
Standard Deviation: 3.1
x = 29
2.26
16.45
-2.26
1.26
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Find the Z-score.
Mean = 21
Standard Deviation: 1.3
x = 22
0.77
5.33
1.07
1.26
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Find the Z-score.
Mean = 27
Standard Deviation: 1.4
x = 11
-11.43
7.85
-2.33
4.16
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Steve took his math test and scored an 88. If the class average was a 78 with a standard deviation of 5, what percent of students earned a grade that was higher than Steve's grade?
97.5%
93%
5%
2.5%
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
It means you did better than zero people.
It means you scored the same grade as the average grade.
It means you earned a zero on the quiz.
It means the average score was a zero.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Use the image of the normal graph provided. What percent of values are less than 46?
16%
84%
46%
12.5%
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
15.87%
15.39%
9.68%
84.61%
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