Question

IQ scores have a mean of 100 and a standard deviation of 15. Mary has an IQ of 103.

(a) What is the difference between Mary's IQ and the mean?
Answer:
(b) Convert Mary's IQ score to a z-score.
Answer:

Answer 1

What is the difference between Mary's IQ and the mean?

Answer:

(b) Convert Mary's IQ score to a z-score.

Answer:0.23,0.2