Question

The weekly salaries (in dollars) for 8 employees of a small business are given below.
(Note that these are already ordered from least to greatest.)
588 , 749 , 751 , 784 , 796 , 820 , 856 , 936 .
Suppose that the $588 salary changes to $748. Answer the following.
(A) what happens to the median?
-it decrease by by $
-it increase by $
-it stays the same.
(B) what happens to the mean?
-it decrease by by $
-it increase by $
-it stays the same.

Answer 1

748 , 749 , 751 , 784 , 796 , 820 , 856 , 936
Median remains the same because position did not change. Mean increased.

Answer 2

What is the number of mean?

Answer 3

Sample mean = ∑x/n = (748 + 749 + 751 + 784 + 796 + 820 + 856 + 936)/8 = 805

Answer 4

I agree...median stays the same and mean increases