Z-score
Authored by Jessica DeWitt
Mathematics
8th - 12th Grade
CCSS covered
Used 39+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A z-score tells you...
how many means there are in a data set.
how far from the mean a point is.
how many standard deviations a point is from the mean.
the sign of the data point.
how many times a data point appears in the set.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A z-score that is negative tells us that a point is ________ the mean of the data set.
above
below
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A z-score that is positive tells us that a point is ________ the mean of the data set.
above
below
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Given a normal distribution with a mean of 38 and a standard deviation of 2.7, what is the z-score for the point x=40?
(Round to the nearest hundredth and type your answer in the box to the right.)
Tags
CCSS.HSS.ID.A.4
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Given a normal distribution with a mean of 38 and a standard deviation of 2.7, what is the z-score for the point x=32?
(Round to the nearest hundredth and type your answer in the box to the right.)
Tags
CCSS.HSS.ID.A.4
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Given a normal distribution with a mean of 125 and a standard deviation of 8, what is the z-score for the point x=135?
(Round to the nearest hundredth and type your answer in the box to the right.)
Tags
CCSS.HSS.ID.A.4
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Given a normal distribution with a mean of 200 and a standard deviation of 23.8, what is the z-score for the point x=170?
(Round to the nearest hundredth and type your answer in the box to the right.)
Tags
CCSS.HSS.ID.A.4
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