You are a manager at a restaurant and you want to see if there is a relationship between the number of hours your employees work and the number of sales they made. You collect the following data: Employees                 Hours Worked                Sales Made (Y)         X2                 Laura                          6                                       100 Sarah                          8                                       120 Tim                            10                                      140 Jimmy                        12                                      160 Carter                        14                                      180 Totals  determine the correlation coefficient and determine if a statistically significant relationship exists between the two variables. If there is, then they must also supply the linear regression model.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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You are a manager at a restaurant and you want to see if there is a relationship between the number of hours your employees work and the number of sales they made. You collect the following data:

Employees                 Hours Worked                Sales Made (Y)         X2                

Laura                          6                                       100

Sarah                          8                                       120

Tim                            10                                      140

Jimmy                        12                                      160

Carter                        14                                      180

Totals 

determine the correlation coefficient and determine if a statistically significant relationship exists between the two variables.

If there is, then they must also supply the linear regression model.

 

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