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If an entire population with µ = 40 and δ = 2 is transformed into z-scores,...

If an entire population with µ = 40 and δ = 2 is transformed into z-scores, then the distribution of z-scores will have a mean of ________ and a standard deviation of ________ ?

a. Cannot say without knowing n

b. 0, 1

c. 1, 0

d. 40, 2

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Answer #1

If an entire population with µ = 40 and δ = 2 is transformed into z-scores, then the distribution of z-scores will have a mean of 0 and a standard deviation of 1

A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution.

Option b) is correct

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