Question

The mean of the data set is 11. What is the value of ?

Answer 1

question is incomplete :)

Answer 2

it is a weird formula with a roman E

Answer 3

Sum notation. You mean sigma?

Answer 4

yes

Answer 5

can you help?

Answer 6

You need to type the rest of the question

Answer 7

6 -
∑(Xi - x)
i=1

Answer 8

find the deviation from the mean of each Xi, then add them all up

Answer 9

say X1 = 6, then X1 - 6 = 6-6 = 0
X2 = 10, then X2 - 6 = 10-4 = 4

0 + 4 + (X3 - 6) +... + (X6 - 6)