Mathematics, 06.12.2021 02:30 hd14yarnell
An automobile tyre manufacturer is comparing the tread life of its new tyres to the tread
life of its previous model to see if they last significantly longer.
The values below are in thousands of kilometres.
• New Tyre: 130, 135, 125, 137, 128, 131, 140
• Old Tyre: 131, 132, 127, 129, 128, 134, 132
Perform a hypothesis test to determine if the new tyres lasted significantly longer than
the old tyres with a 0.05 level of significance.
Answers: 1
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An automobile tyre manufacturer is comparing the tread life of its new tyres to the tread
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