Share
A few years ago, people tended to have relatively large CD collections. For students at a large university in the midwest, the mean number o
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. Select the correct description of the population in this study.
in progress
0
Mathematics
3 years
2021-07-28T13:43:50+00:00
2021-07-28T13:43:50+00:00 1 Answers
9 views
0
Answers ( )
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?
Answer:
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