Question

A company has developed a new power cell and wants to estimate its average lifetime. A random sample of 650 power cells is tested and the average lifetime of this sample is found to be 315 hours. The 315 hours is the value of a:

Answer 1

The 315 hours is the value of a: statistic

Explanation:

A random sample of 650 power cells is tested and the average lifetime of this sample is found to be 315 hours.

The 315 hours is the value of a: statistic

A statistic is defined as a characteristic of a sample. It is used to estimate the value of a population parameter.

Just like here where a random sample of 650 power cells were taken for a test. And 315 hours is an example of a statistic.