Question

A normally distributed data set has a mean of 53 and a standard deviation of 2.5. What z-score corresponds to a data value of 47?

Answer 1

im really confused with this question, please help

Answer 2

\[ Z=\frac{X-\mu}{\sigma}\\
Z=\frac{47-53}{2.5}\]

Answer 3

X is your data value, \(\mu\) is the mean, and \(\sigma\) is the standard deviation.

Answer 4

ok so that would be -6/2.5?

Answer 5

um calculator, or long division

Answer 6

ok ty a ton how do u give a medal?

Answer 7

:)