Question

a tire company wants to determine if tires made with a new type of tread will last longer than the tires made with the original type of tread. the company has access to 24 different vehicles. the vehicles will be driven for one year and the depth of the remaining tread will be measured. the average depth for the new type of tread will be compared to the average depth of the original type of tread.
which of the following design for this expern
○ there are six ve suv, minivan, an vehicles will be ra the new tread and tires with the origin
○ each vehicle is ru are put into a rando unique numbers re receive the tires wi vehicles will receve
● the vehicles will be size of the vehicle, the next largest two, largest vehicle will g tread and the other w from of tread

Explanation:

Answer:

The vehicles will be grouped by size of the vehicle, with the two largest, the next largest two, etc., and for each group, one vehicle will get the new tread and the other will get the original tread.