Given a mean of 571 and a standard deviation of 236.5, what is the z-score of the value 724 rounded to the nearest tenth? a.0.9 b.–0.9 c.–0.6 d.0.6

d. 0.6

Step-by-step explanation:

Since, the formula for calculating the z-score or standard score is,

Where, x is a score,

is mean score,

is the standard deviation,

Here,

x = 724,

,

Hence, the z-score is,

Option d is correct.

deez nu tz

step-by-step explanation: