Question: A student was asked to compute the mean and standard deviation for the following sample of n = 5 scores: 81, 87, 89, 86, and

A student was asked to compute the mean and standard deviation for the following sample of n = 5 scores: 81, 87, 89, 86, and 87. To simplify the arithmetic, the student first subtracted 80 points from each score to obtain a new sample consisting of 1, 7, 9, 6, and 7. The mean and standard deviation for the new sample were then calculated to be M = 6 and s = 3. What are the values of the mean and standard deviation for the original sample?

Step by Step Solution

3.27 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

The mean i... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

1475-M-S-P(11253).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!