Question

The average weight of adult females is 166.3 pounds, with a standard deviation of 14 pounds and a normal distribution. Karys weighs 163.2 pounds. What is the standardized score for Karys's weight? (5 points)

-0.22
.22
-0.78
0.78
Unable to determine the standardized score

Answer 1

Standardized score is -0.22

Explanation:

Here, we want to calculate z-score

z-score = (x - mean)/SD

z-score = (163.2-166.3)/14 = -0.22