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Assuming a Normal Distribution,what Range of Numbers Would Include Two

Question 22

Multiple Choice

Assuming a normal distribution,what range of numbers would include two thirds of the scores if they ranged from 50 to 99,M = 75,and SD = 5? Between

A) 55 and 95
B) 65 and 85
C) 68 and 82
D) 70 and 80

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