Question 1( 7marks)

Use the following sample data to calculate the following summary statistics

X

Y

5

20

7

50

4

10

5

20

5

30

5

20

3

10

8

50

2

10

2

5

A.Calculate the mean for X and Y (1 marks)

B.Calculate the standard deviation for X and Y (3 marks)

C.Calculate the correlation coefficient (r) Using formula (3 marks)

Question 1 ( 7marks) Use the following sample data to calculate the following summary statistics X 5 20 50 10 20 30 5 20 10 50 10 5 A. Calculate the mean for X and Y (1 marks) ANSWER: ** Answer box will enlarge as you type B. Calculate the standard deviation for X and Y (3 marks) ANSWER: ** Answer box will enlarge as you type C.Calculate the correlation coefficient (r) Using formula (3 marks) ANSWER: ** Answer box will enlarge as you type