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27. The following are the monthly figures of advertising expenditure and sales of a firfi. It is generally found that advertising expenditure has its impact on sales after 2 months. Allowing for this time lag, calculate coefficient of correlation. et- Sales Advertising Expenditure C (Rs. lakh) ('000) 00 50 af 60 Advertising Expenditure ('000) Months Months Sales (Rs. lakh) Jan. 1,200 88 July 140 2,400 Aug. e8s Sep. Feb. 1,500 160 2,600 March 70 1,600 170 2,800 Oct. e80 Nov. 90 2,000 190 2,900 April May re 2,200 2,500 120 200 3,100 June 150 Dec. eat 250 3,900

27. The following are the monthly figures of advertising expenditure and sales of a firfi. It is generally found that advertising expenditure has its impact on sales after 2 months. Allowing for this time lag, calculate coefficient of correlation. et- Sales Advertising Expenditure C (Rs. lakh) ('000) 00 50 af 60 Advertising Expenditure ('000) Months Months Sales (Rs. lakh) Jan. 1,200 88 July 140 2,400 Aug. e8s Sep. Feb. 1,500 160 2,600 March 70 1,600 170 2,800 Oct. e80 Nov. 90 2,000 190 2,900 April May re 2,200 2,500 120 200 3,100 June 150 Dec. eat 250 3,900

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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27. The following are the monthly figures of advertising expenditure and sales ot a firfi. It is generally found that advertising expenditure has its impact on sales after 2 months. Allowing for this time lag, calculate coefficient of correlation. Advertising Expenditure (Rs. lakh) ('000) 00 50 af 60 Sales Months Advertising Expenditure ('000) Months Sales (Rs. lakh) 1,200 July Aug. Sep. Jan. 140 2,400 Feb. 1,500 160 2,600 89 March A 70 1,600 170 2,800 90 2,000 Oct. 190 2,900 April May e80 Nov. te 120 2,200 200 3,100 T48 June 150 2,500 Dec. 250 3,900 of 20
Transcribed Image Text:27. The following are the monthly figures of advertising expenditure and sales ot a firfi. It is generally found that advertising expenditure has its impact on sales after 2 months. Allowing for this time lag, calculate coefficient of correlation. Advertising Expenditure (Rs. lakh) ('000) 00 50 af 60 Sales Months Advertising Expenditure ('000) Months Sales (Rs. lakh) 1,200 July Aug. Sep. Jan. 140 2,400 Feb. 1,500 160 2,600 89 March A 70 1,600 170 2,800 90 2,000 Oct. 190 2,900 April May e80 Nov. te 120 2,200 200 3,100 T48 June 150 2,500 Dec. 250 3,900 of 20
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