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On a verbal skill test, the mean was 72 and the standard deviation was 7. If John scored 75, what was his z-sco

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

On a verbal skill test, the mean was 72 and the standard deviation was 7. If John scored 75, what was his z-score?

Expert Solution

Step 1

$G i v e n d a t a, M e a n μ = 72_{} s d σ = 7 I f J o h n s c o r e d 75 z - s c o r e = ?$

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