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Mr. Allen Profit is studying companies going public for first time. He is studying companies going for first time. He is particularly interested in relationship between the Sales, (X), and /units sold,(Y). A sample of 10 companies  that recently revealed following information:

Sales(X)

14

35

22

29

6

15

17

20

12

29

Units sold(Y)

28

66

38

70

22

27

28

47

14

68

XY

 

Y^

 

e

 

a) Interpret the meaning of b1.

b) Name four parts of regression equation.

c) What is another name of r2 since r2 is symbol?

d) Complete table and sum each column

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