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Pickseason online store in ShopLaz is having problems with their sales trend this past few months. The owner of the store wants to determine if there is a relationship between their ads budget and sales per week. A sample of 10 weeks worth of data are indicated below. a. Given the table below, compute for the sample correlation coefficient. b. At 95% level of confidence, is there enough evidence to say that there is linear relationship between the budget the store put in ads and their sales per week? c. Compute for bo and bi 3. wwww.ww

Pickseason online store in ShopLaz is having problems with their sales trend this past few months. The owner of the store wants to determine if there is a relationship between their ads budget and sales per week. A sample of 10 weeks worth of data are indicated below. a. Given the table below, compute for the sample correlation coefficient. b. At 95% level of confidence, is there enough evidence to say that there is linear relationship between the budget the store put in ads and their sales per week? c. Compute for bo and bi 3. wwww.ww

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section: Chapter Questions
Problem 11CT
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Pickseason online store in ShopLaz is having problems with their sales trend this past few months. The owner of the store wants to determine if there is a relationship between their ads budget and sales per week. A sample of 10 weeks worth of data are indicated below. a. Given the table below, compute for the sample correlation coefficient. b. At 95% level of confidence, is there enough evidence to say that there is linear relationship between the budget the store put in ads and their sales per week? c. Compute for bo and bị. At 95% level of confidence, is there enough evidence to say that there will be at least 1% increase in the sales for an every peso increase in the ads budget? At 95% level of confidence, is there enough evidence to say that there will be no sales for a week if the store have no budget for the ads? Compute for the R2 3.
Transcribed Image Text:Pickseason online store in ShopLaz is having problems with their sales trend this past few months. The owner of the store wants to determine if there is a relationship between their ads budget and sales per week. A sample of 10 weeks worth of data are indicated below. a. Given the table below, compute for the sample correlation coefficient. b. At 95% level of confidence, is there enough evidence to say that there is linear relationship between the budget the store put in ads and their sales per week? c. Compute for bo and bị. At 95% level of confidence, is there enough evidence to say that there will be at least 1% increase in the sales for an every peso increase in the ads budget? At 95% level of confidence, is there enough evidence to say that there will be no sales for a week if the store have no budget for the ads? Compute for the R2 3.
1 600 400809 2 200 268382 3 450 273899 4 399 150399 259 100203 780 500389 7 980 560000 8 1000 374890 9. 3000 750000 10 270 50000
Transcribed Image Text:1 600 400809 2 200 268382 3 450 273899 4 399 150399 259 100203 780 500389 7 980 560000 8 1000 374890 9. 3000 750000 10 270 50000
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