Question

Correlation Coefficients problem. Image attached.

A. 10
B. 8
C. 6
D 4

Answer 1

A

Explanation:

xbar is the average of all the x-values in the table. To get the average, we need to add all the x-values and then divide by the number of values there are (there are 5 values).

THus

x bar =
`(8+9+10+11+12)/(5)=10`

correct answer is A