Question

Consider a normally distributed data set with a mean of 154 and a standard deviation of 9.8. If one of the observed values is 176, what is the z score?
+3.36,
-2.24,
+2.24,
-22.00, or
+22.00

Answer 1

@amistre64

Answer 2

\[\large z = \frac{x - \mu }{\sigma}\]

Where x = observed
\(\large \mu \) = mean
\(\large \sigma\) = standard deviation

Answer 3

thank you!!!

Answer 4

No problem!