BuyFind

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570
BuyFind

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

Solutions

Chapter
Section
Chapter 6, Problem 14P
Textbook Problem

IQ test scores are standardized to produce a normal distribution with a mean of μ = 100 and a standard deviation of σ =15. Find the proportion of the population in each of the following IQ categories.

  • a. Genius or near genius: IQ greater than 140
  • b. Very superior intelligence: IQ between 120 and 140
  • c. Average or normal intelligence: IQ between 90 and 109

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Chapter 6 Solutions

Essentials of Statistics for the Behavioral Sciences

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