Z-scores
Authored by Stacy Fulton
Mathematics
9th - 12th Grade
CCSS covered
Used 248+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the formula to find the z-score for population?
z=X-M
z=σ-M/μ
z/M=μ
z=X-μ/σ
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the Z-score.
Mean = 22
Standard Deviation: 3.1
x = 29
2.26
16.45
-2.26
1.26
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Find the Z-score.
Mean = 21
Standard Deviation: 1.3
x = 22
0.77
5.33
1.07
1.26
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the probability that a score is under (left of) .73?
.7357
.7673
.7389
.7967
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.3
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the probability that a score is under (left of) 1.73?
.9484
.9664
.9573
.9582
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the probability that a score is under (left of) 2.37?
.9911
.9913
.9916
.9936
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the probability that a score is under (left of) -.37?
.6443
.3974
.3557
.3156
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.3
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