Question

A data set has a mean of x = 75 and a standard deviation of 11.4. Find the z-score for each of the following.

Answer 1

Part (a)

$z=\frac{85-75}{11.4} \approx \boxed{0.88}$

By similar logic, the answers to the other parts are

(b) 1.75

(c) -2.19

(d) 0