Question

Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if its z-score is less than -2.00 or greater than 2.00.

A weight of 224 pounds among a population having a mean weight of 158 pounds and a standard deviation of 23.5 pounds.

Answer 1

\(\mu=\) population mean
\(\sigma=\) population standard deviation
\[z=\frac{ x-\mu }{ \sigma }\]

Answer 2

Awesome thank you!