Question: Black Inc. is developing a forecasting model based on the perceived relationship between Sales and Marketing. Using the data below, apply the Linear Regression Method

Black Inc. is developing a forecasting model based on the perceived relationship between Sales and Marketing. Using the data below, apply the Linear Regression Method and calculate the parameter b. (Table shown in $ in thousands).

Sales (Y) Marketing (X)

47. 102

49 105

50 109

53 111

60 115

62 120

63 125

64 126

70 129

a. 0.75

b. 0.80

c. 0.84

d. 0.69

e. 0.57

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