Suppose you had a random sample of 50 observations with a sample mean of 10 and sample standard deviation of 5. Suppose another observation is observed that has a value of 10. How will the sample mean change from the original sample?
A) It will not change.
B) It will increase.
C) It will decrease.
D) Cannot be determined by the information given.

Question

Quizplus · Accepted Answer

The new observation has a value of 10, which is the same as the original sample mean. Therefore, when this new observation is added to the original sample, the sample mean will not change.

Suppose You Had a Random Sample of 50 Observations with a Sample