Business Analytics and Data Intelligence

QUESTION 1 (20 Marks):

You are given the following dataset for monthly advertising spend and sales (in units):

Table 1: Data of Company J

a) Develop a simple linear regression model to predict sales based on advertising spend. (2 marks)

b) Calculate the coefficients of the regression equation. (15 marks)

c) Predict the sales if the advertising spend is RM80 (3 marks)

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