Question

Suppose you have a mean standardized score of 1500 points with a standard deviation of 150 points. This data is normally distributed. What is the z-score of 1600 points?



0.75


0.5


0.67


0.32

Answer 1

to find a z score, use the formula

\[z = \frac{x - mean}{std.~deviation}\]

where x is the score

Answer 2

But how do you get the mean in this problem?

Answer 3

you are given the mean.... mean = 1500

Answer 4

you are given the standardeviation = 150