Standard Normal Distributions and Z-scores
Authored by Geoffrey Lufanana
Mathematics
11th - 12th Grade
CCSS covered
Used 39+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the z-scores value corresponding if the location is above the mean by 1/2 standard deviations
-0.50
+1.00
+0.50
-1.00
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of z-scores?
to describe the exact location of a score within a distribution
to find the mean of the distribution
to describe the shape of the distribution
to find the standard deviation of the distribution
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A data set has a mean of 290 and a standard deviation of 20. Calculate the z-score for 265.
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A data set has a mean of 20 and a standard deviation of 3. Calculate the z-score for 23.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
298
296
220
380
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 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.
Tags
CCSS.HSS.ID.A.4
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