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Two major automobile manufacturers have produced compact cars with the same size engines. We are interested in determining whether or not there is a significant difference in the MPG (miles per gallon) of the two brands of automobiles. A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance. The following data show the results of the test. Driver 1 2 3 5 6 7 Manufacturer A 32 On-1 27 26 26 25 29 31 25 nl+n2-2 That weird one for independent samples nl-n2-1 Manufacturer B 28 22 27 24 24 25 28 Refer to Exhibit 10-19. What is the formula we would use to find the degrees of freedom in this problem? 27

Two major automobile manufacturers have produced compact cars with the same size engines. We are interested in determining whether or not there is a significant difference in the MPG (miles per gallon) of the two brands of automobiles. A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance. The following data show the results of the test. Driver 1 2 3 5 6 7 Manufacturer A 32 On-1 27 26 26 25 29 31 25 nl+n2-2 That weird one for independent samples nl-n2-1 Manufacturer B 28 22 27 24 24 25 28 Refer to Exhibit 10-19. What is the formula we would use to find the degrees of freedom in this problem? 27

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Exhibit 10-19 Two major automobile manufacturers have produced compact cars with the same size engines. We are interested in determining whether or not there is a significant difference in the MPG (miles per gallon) of the two brands of automobiles. A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance. The following data show the results of the test. Driver 2 3 4 5 6 7 8 nl+n2 - 2 Manufacturer A nl-n2-1 32 On-l 27 26 26 25 29 31 25 That weird one for independent samples Manufacturer B 28 22 27 24 24 Refer to Exhibit 10-19. What is the formula we would use to find the degrees of freedom in this problem? 25 28 27
Transcribed Image Text:Exhibit 10-19 Two major automobile manufacturers have produced compact cars with the same size engines. We are interested in determining whether or not there is a significant difference in the MPG (miles per gallon) of the two brands of automobiles. A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance. The following data show the results of the test. Driver 2 3 4 5 6 7 8 nl+n2 - 2 Manufacturer A nl-n2-1 32 On-l 27 26 26 25 29 31 25 That weird one for independent samples Manufacturer B 28 22 27 24 24 Refer to Exhibit 10-19. What is the formula we would use to find the degrees of freedom in this problem? 25 28 27
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