The proprietor of an internet travel company compiled the following data relating the annual profit of the firm to its annual advertising expenditure (both measured in thousands of dollars): Annual advertising expenditure Annual profit 12 60 14 70 17 90 21 100 26 100 30 120 (a) Determine the equation of the least squares line. (b) Plot the data and the least squares line.

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kindly asnwer it 5.5.2 (a,b)

The proprietor of an internet travel company compiled the following data relating the
annual profit of the firm to its annual advertising expenditure (both measured in thousands
of dollars):
Annual advertising
expenditure
Annual profit
12
60
14
70
17
90
21
100
26
100
30
120
(a) Determine the equation of the least squares line. (b) Plot the data and the least
squares line.
Transcribed Image Text:The proprietor of an internet travel company compiled the following data relating the annual profit of the firm to its annual advertising expenditure (both measured in thousands of dollars): Annual advertising expenditure Annual profit 12 60 14 70 17 90 21 100 26 100 30 120 (a) Determine the equation of the least squares line. (b) Plot the data and the least squares line.
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