Z-Score Quiz
Authored by Andrew OConnell
Mathematics
12th Grade
CCSS covered
Used 9+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does a z-score tell you?
The range of the data
The mean of the data
The standard deviation of the data
How many standard deviations a data value is from the mean
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does a positive z-score indicate?
The data value is equal to the mean
The data value is below the mean
The data value is within one standard deviation of the mean
The data value is above the mean
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the mean is 24 and the standard deviation is 5, what is the z-score for a data value of 20?
-1.5
3.6
1.2
-0.8
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How is the z-score calculated?
By adding the mean to the data value
By subtracting the mean from the data value and dividing by the standard deviation
By multiplying the mean with the data value
By dividing the data value by the standard deviation
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does a negative z-score indicate?
The data value is equal to the mean
The data value is above the mean
The data value is within one standard deviation of the mean
The data value is below the mean
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the z-score for a data value that is 1 standard deviation below the mean?
-1
0.5
-2
-0.5
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate a z score for a data value of 12 if the mean is 10 and the standard deviation is 5
.4
.8
1.2
-.4
Tags
CCSS.HSS.ID.A.4
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