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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

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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