Question

Given 𝜇=72; and 𝜎=8, find the z-score that corresponds to each of the following scores up to two decimal place

Answer 1

a.

$$z=\dfrac{x-\mu}{\sigma}=\dfrac{68-72}{8}=-0.50$$

b.

$$z=\dfrac{x-\mu}{\sigma}=\dfrac{80-72}{8}=1.00$$