Round each z-score to the nearest hundredth.
A data set has a mean of x = 70
and a standard deviation of 11.3. Find the z-score for each of the following.
(a) x = 85
(b) x = 95
(c) x = 50
(d) x = 75
Solution :
a) Z = 1.33
b) Z = 2.21
c) Z = -1.77
d) Z = 0.44
Explanation :
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