Example 16.16 The following are the monthly figures of advertising expenditure and sales of a firm. It is generally found that advertising expenditure has an impact on sales after two months. Allowing for this. time lag, calculate coefficient of correlation between expenditure on advertisment and sales.
Example 16.16 The following are the monthly figures of advertising expenditure and sales of a firm. It is generally found that advertising expenditure has an impact on sales after two months. Allowing for this. time lag, calculate coefficient of correlation between expenditure on advertisment and sales.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.6: Inequalities
Problem 18E
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![Example 16.16) The following are the monthly figures of advertising expenditure and sales of a firm. It is
generally found that advertising expenditure has an impact on sales after two months. Allowing for this
time lag, calculate coefficient of correlation between expenditure on advertisment and sales.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47570ea3-6c8a-4bd1-a05f-43d4f7743b12%2F286041fe-23fb-4280-86fc-690c8e84a874%2Fw832682_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Example 16.16) The following are the monthly figures of advertising expenditure and sales of a firm. It is
generally found that advertising expenditure has an impact on sales after two months. Allowing for this
time lag, calculate coefficient of correlation between expenditure on advertisment and sales.
![Month
Ad. Expenditure ('000 Rs)
Sales ( '000 Rs)
January
February
50
1200
60
1500
March
70
1600
April
Мay
90
2000
120
2200
June
150
2500
July
August
September
October
140
2400
160
2600
170
2800
190
2900
November
200
3100
December
250
3900](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47570ea3-6c8a-4bd1-a05f-43d4f7743b12%2F286041fe-23fb-4280-86fc-690c8e84a874%2Ffv686j9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Month
Ad. Expenditure ('000 Rs)
Sales ( '000 Rs)
January
February
50
1200
60
1500
March
70
1600
April
Мay
90
2000
120
2200
June
150
2500
July
August
September
October
140
2400
160
2600
170
2800
190
2900
November
200
3100
December
250
3900
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