a population has u 80 and o 10 Find the zscore for each of t

a population has u= 80 and o= 10.

Find the z-score for each of the following X values.

A population has Mu = 80 and sigma = 10. Find the z-score for each of the following X values. (Note: You should be able to find these values using the definition of a z-score. You should not need to use a formula or do any detailed calculations.) Find the score (X value) that corresponds to each of the following z-scores. (Again, you should be able to find these values without any formula or detailed calculations.)

Solution

The formula for converting x score to z score is

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mu =80 and sigma=10

Next set is x = Mu + z*sigma

x	Z
75	-0.5
95	1.5
100	2
50	-3
60	-2
85	0.5