WorksheetsFinding Z - Score
Total questions: 13
Worksheet time: 53mins
What is the correct formula for finding z-scores?
z=σx−μ
z=σμ−x
Sx=σx−μ
Find the Z-score.
Mean = 22
Standard Deviation: 3.1
x = 29
2.26
16.45
-2.26
1.26
Find the Z-score.
Mean = 21
Standard Deviation: 1.3
x = 22
0.77
5.33
1.07
1.26
Find the Z-score.
Mean = 27
Standard Deviation: 1.4
x = 11
-11.43
7.85
-2.33
4.16
Find the z-score.
Mean = 38
Standard Deviation: 1.2
x = 42
3.33
-3
3.03
-3.33
Find the z-score.
Mean = 45
Standard Deviation: 2.1
x = 50
2.38
3.00
3.08
2.33
Find the z-score.
Mean = 40
Standard Deviation: 1.4
x = 42
1.43
1.28
-1.4
1.24
Find the z-score.
Mean: 22.8
Standard Deviation: 7
x = 20
-0.4
17.2
22.04
32.5
Find the z-score.
Mean = 25
Standard Deviation: 7
x = 9.6
-2.2
-36
5.2
23.46
Find the z-score.
Mean: 16
Standard Deviation: 4
x = 11
-1.25
+1.25
16
21
Find the z-score.
Mean: 29.8
Standard Deviation: 7
x = 20
-1.4
10.2
-21
35
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
The sign of the z-score indicates whether the location is above(positive) or below(negative) the mean.
True
False
