Z Score and Percentile
Assessment
•
Paige Wood
•
Mathematics
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9th - 12th Grade
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227 plays
•
Medium
Student preview
10 questions
Show answers
1.
Multiple Choice
-5
-2
2
5
2.
Multiple Choice
Find the Z-score.
Mean = 22
Standard Deviation: 3.1
x = 29
2.26
16.45
-2.26
1.26
3.
Multiple Choice
Find the mean.
Z-score = -1.4
Standard Deviation: 7
x = 20
29.8
10.2
-21
35
4.
Multiple Choice
Find the z-score value corresponding if the location is below the mean by 2 standard deviations
+2.00
-2.00
+1.25
-1.00
5.
Multiple Choice
median
third quartile
1st quartile`
interquartile range
6.
Multiple Choice
If I tell you that you scored at the 55th percentile on your final exam, you would know:
55% of the class scored the same or worse than you did
You earned a 55% on the exam
You failed the exam
45% of the class scored worse than you did
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