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The manager of a fleet automobiles is testing two brands of radial tires and assigns one tire of each brand at random to the two rear wheels of eight cars and runs the cars until the tires wear out. The data (in kilometers) follow.  Car   Brand 1    Brand 2  1      36,925      34,318 2      45,300      42,280 3      36,240      35,500 4      32,100      31,950 5      37,210      38,015 6      48,360      47,800 7      38,200      37,810 8      33,500      33,215 Do the data suggest that the two brands of radial tires prove the same mean life? Use ? = 0.01

The manager of a fleet automobiles is testing two brands of radial tires and assigns one tire of each brand at random to the two rear wheels of eight cars and runs the cars until the tires wear out. The data (in kilometers) follow.  Car   Brand 1    Brand 2  1      36,925      34,318 2      45,300      42,280 3      36,240      35,500 4      32,100      31,950 5      37,210      38,015 6      48,360      47,800 7      38,200      37,810 8      33,500      33,215 Do the data suggest that the two brands of radial tires prove the same mean life? Use ? = 0.01

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The manager of a fleet automobiles is testing two brands of radial tires and assigns one tire of each brand at random to the two rear wheels of eight cars and runs the cars until the tires wear out. The data (in kilometers) follow. 


Car   Brand 1    Brand 2 
1      36,925      34,318
2      45,300      42,280
3      36,240      35,500
4      32,100      31,950
5      37,210      38,015
6      48,360      47,800
7      38,200      37,810
8      33,500      33,215


Do the data suggest that the two brands of radial tires prove the same mean life? Use ? = 0.01.

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