Question

To find it's Z-score, the sample data must be shifted by subtracting the mean of the population and then rescaled by dividing by the standard deviation of the population. True False

Answer 1

^Solution:

^True.

^Explanation:

To find it's z-score, the sample data must be shifted by substracting the mean of the population and then rescaled by dividing by the standard deviation of the population.

let,

X = sample data or raw score

$\mu$ = Population Mean

$\sigma$ = Population standard deviation

Z-score = ( X - $\mu$ ) / $\sigma$