Question

The distribution of certain test scores is a nonstandard normal distribution with a mean of 50 and a standard deviation of 6. What are the values of the mean and standard deviation after all test scores have been standardized by converting them to z-scores using z = (x - µ) / σ ?

Select one:

a. The mean is 1 and the standard deviation is 0.

b. The mean is 0 and the standard deviation is 1.

c. The mean is 100 and the standard deviation of 10.

d. The mean is 10 and the standard deviation is 100.

Answer 1