Three top-of-the-line intermediate-size automobiles manufactured in New Heaven have been test-driven and compared on a variety of criteria by a well-known automotive magazine. In the area of gasoline mileage performance, five automobiles of each brand were each test-driven 500 miles; the miles per gallon data obtained are reported below. Use the analysis of variance procedure with α = 0.05 to determine whether there is a significant difference in the mean number of miles per gallon for the three type of automobiles.   Automobiles A B C 19 19 24 21 20 26 20 22 23 19 21 25 21 23 27

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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  • Three top-of-the-line intermediate-size automobiles manufactured in New Heaven have been test-driven and compared on a variety of criteria by a well-known automotive magazine. In the area of gasoline mileage performance, five automobiles of each brand were each test-driven 500 miles; the miles per gallon data obtained are reported below. Use the analysis of variance procedure with α = 0.05 to determine whether there is a significant difference in the mean number of miles per gallon for the three type of automobiles.

 

Automobiles

A

B

C

19

19

24

21

20

26

20

22

23

19

21

25

21

23

27

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