2. On a standardized test, Sara had a score of 81, which was exactly 2 standarddeviations below the mean. If the standard deviation for the test is 3, what is themean score for the test?

Given : Test score = X = 81 Standard deviation = σ = 3

Answered: 2. On a standardized test, Sara had a…

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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2. On a standardized test, Sara had a score of 81, which was exactly 2 standard deviations below the mean. If the standard deviation for the test is 3, what is the mean score for the test?