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Two populations are described in each of the following

Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich ISBN: 9780321826237 51

Solution for problem 5E Chapter 8

Statistics for Business and Economics | 12th Edition

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Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich

Statistics for Business and Economics | 12th Edition

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Problem 5E

Problem 5E

Two populations are described in each of the following cases. In which cases would it be appropriate to apply the small-sample t-test to investigate the difference between the population means?

a. Population 1: Normal distribution with variance

b. Population 1: Normal distribution with variance

c. Population 1: Skewed to the left with variance

d. Population 1: Normal distribution with variance

e. Population 1: Uniform distribution with variance

Step-by-Step Solution:
Step 1 of 3

Kelsey A. Jackson PSY 1110 Notes for Friday, September 30 .th 1. Normal Distribution a. Many distributions of measures conform to the normal or bell curve. i. Examples are IQ tests, or height and weight numbers for each gender. b. The Normal Distribution is a theoretical distribution that is based on a population of an infinite number of cases. c. The mean is represented by u (mu) and the variance is represented by  (sigma). d. Key Features of Normal Distribution i. Normal distribution is asymptotic to the x­axis. 1. The data will never touch the x­axis because there is an infinite number of cases.

Step 2 of 3

Chapter 8, Problem 5E is Solved
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Textbook: Statistics for Business and Economics
Edition: 12
Author: James T. McClave, P. George Benson, Terry T Sincich
ISBN: 9780321826237

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Two populations are described in each of the following