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
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Question
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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