Question 588:

Asked on January 26, 2009

Tags: Z-Score

1

Answer:

No answer provided yet.

To calculate a z-score you subtract the data-point from the mean and divide that result by the standard deviation. In this case we're given the value of 232 and want to know the z-score.

1. (232-220)/10 = 12/10 = a z-score of 1.2