An automobile tyre manufacturer is comparing the tread life

Last updated: 7/7/2022

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.