Bridgestone would like to estimate the average tread life of a particular brand of automobile tire. Fifty customers who have purchased this tire are sampled and asked about the tread life of their tires. This is an example of using------ .
A)qualitative data.
B)inferential statistics.
C)descriptive statistics.
D)secondary data.

Question

Quizplus · Accepted Answer

This is an example of using inferential statistics because Bridgestone is collecting data from a sample (fifty customers) to make inferences or draw conclusions about the average tread life of the tire for the entire population of customers who use it.

Bridgestone Would Like to Estimate the Average Tread Life of a Particular