A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10salespersons.Years ofAnnual SalesSalespersonExperience($1000s)1180382349645955936.7937898810106111211013125The data on y = annual sales ($1000s) for new customer accounts and x = number of years of experience for a sample of 10 salespersonsprovided the estimated regression equation ŷ = 74.45 + 3.65x. For these data a = 6.7, ) (x; - x)² = 130.10, and s = 5.3015.%3Da. Develop the 95% confidence interval for the mean annual sales for all salespersons with twelve years of experience.) (to 2 decimals)b. The company is considering hiring Tom Smart, a salesperson with twelve years of experience. Develop a 95% prediction interval of annual salesfor Tom Smart.) (to 2 decimals)c. Discuss the differences in your answers to parts (a) and (b).As expected, the prediction interval is much- Select your answer - V than the confidence interval. This is due to the fact that it is more- Select your answer -to predict annual sales for one new salesperson with 12 years of experience than it is to estimate the mean annual salesfor all salespersons with 12 years of experience.

Name: A sales manager collected the following data on annual sales for new
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Description: A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample of 10salespersons.Years ofAnnual SalesSalespersonExperience($1000s)1180382349645955936.793789881010611121101312

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A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample salespersons. Years of Annual Sales Salesperson Experience ($1000s) 1 1 80 2 3 82 3 96 4 95 93 6. 7 93 7 8 98 8. 10 106 11 121 10 13 125 The data on 24 - annual sales (81000s) for new customer ac counts and r pumber of vears of experience for a sample of 10 salespersons

A sales manager collected the following data on annual sales for new customer accounts and the number of years of experience for a sample salespersons. Years of Annual Sales Salesperson Experience ($1000s) 1 1 80 2 3 82 3 96 4 95 93 6. 7 93 7 8 98 8. 10 106 11 121 10 13 125 The data on 24 - annual sales (81000s) for new customer ac counts and r pumber of vears of experience for a sample of 10 salespersons

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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