A few years ago, people tended to have relatively large CD collections. For students at a large university in the midwest, the mean number of CDs owned was 78 with a standard deviation of 90. To confirm these numbers, a random sample of 120 students from this university was collected and the size of their CD collections recorded. These particular 120 students had a mean CD collection size of 80 CDs. Select the correct description of the population in this study.

Complete Question

A few years ago, people tended to have relatively large CD collections. For students at a large university in the midwest, the mean number of CDs owned was 78 with a standard deviation of 90. To confirm these numbers, a random sample of 120 students from this university was collected and the size of their CD collections recorded. These particular 120 students had a mean CD collection size of 80 CDs. What is the numerical value of the sample mean?

Sample Mean

Step-by-step explanation:

From the question we are told that:

Population Mean

Standard deviation

Sample size

Sample Mean

Therefore

The numerical value of the sample mean is

Sample Mean

john earns $14.00 for two hours of work.

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6