6 The advertising budget and the sales revenue in the past 15 months by a clothing store are given below. Advertising Bu

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6 The advertising budget and the sales revenue in the past 15 months by a clothing store are given below. Advertising Bu

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6 The Advertising Budget And The Sales Revenue In The Past 15 Months By A Clothing Store Are Given Below Advertising Bu 1
6 The Advertising Budget And The Sales Revenue In The Past 15 Months By A Clothing Store Are Given Below Advertising Bu 1 (137.28 KiB) Viewed 29 times
6 The advertising budget and the sales revenue in the past 15 months by a clothing store are given below. Advertising Budget (X) Sales Revenue (Y) 4 5 6 12 13 13 16 16 17 17 18 19 20 22 24 47 111 124 240 211 205 276 305 309 302 259 334 302 371 241 (a) Using the method of least squares, calculate the regression line that relates the sales revenue and the advertising budget. (80 marks) (b) Calculate the coefficient of determination. (20 marks)
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