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Example 15.1: Copier sales company sells copiers to businesses of all sizes throughout the country. Mr. XX was recently promoted to the position of national sales manager. At the upcoming sales meeting, the sales representatives from all over the country will be in attendance. He would like to impress upon them the importance of making extra sales calls each day. He decides to gather some information on the relationship between the number of sales calls and the number of copiers sold. He selects a random sample of 10 sales representatives and detemines the number of sales calls they made last month and the number of copiers they sold. Find the coefficient of correlation. Sales Representative Calls, X Sales, Y 30 First one 20 Second one Third one 40 60 20 40 Fourth one 30 60 Fifth one 10 30 Sixth one 10 40 Seventh one 20 40 Eighth one Ninth one 20 50 20 30 Tenth one 30 70

Example 15.1: Copier sales company sells copiers to businesses of all sizes throughout the country. Mr. XX was recently promoted to the position of national sales manager. At the upcoming sales meeting, the sales representatives from all over the country will be in attendance. He would like to impress upon them the importance of making extra sales calls each day. He decides to gather some information on the relationship between the number of sales calls and the number of copiers sold. He selects a random sample of 10 sales representatives and detemines the number of sales calls they made last month and the number of copiers they sold. Find the coefficient of correlation. Sales Representative Calls, X Sales, Y 30 First one 20 Second one Third one 40 60 20 40 Fourth one 30 60 Fifth one 10 30 Sixth one 10 40 Seventh one 20 40 Eighth one Ninth one 20 50 20 30 Tenth one 30 70

MATLAB: An Introduction with Applications
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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Example 15.1: Copier sales company sells copiers to businesses of all sizes throughout the country. Mr. XX was recently promoted to the position of national sales manager. At the upcoming sales meeting, the sales representatives from all over the country will be in attendance. He would like to impress upon them the importance of making extra sales calls each day. He decides to gather some information on the relationship between the number of sales calls and the number of copiers sold. He selects a random sample of 10 sales representatives and detemines the number of sales calls they made last month and the number of copiers they sold. Find the coefficient of correlation. Sales Representative First one Calls, X Sales, Y 20 30 Second one 40 60 Third one 20 40 Fourth one 30 60 Fifth one 10 30 Sixth one 10 40 Seventh one 20 40 Eighth one 20 50 Ninth one 20 30 Tenth one 30 70
Transcribed Image Text:Example 15.1: Copier sales company sells copiers to businesses of all sizes throughout the country. Mr. XX was recently promoted to the position of national sales manager. At the upcoming sales meeting, the sales representatives from all over the country will be in attendance. He would like to impress upon them the importance of making extra sales calls each day. He decides to gather some information on the relationship between the number of sales calls and the number of copiers sold. He selects a random sample of 10 sales representatives and detemines the number of sales calls they made last month and the number of copiers they sold. Find the coefficient of correlation. Sales Representative First one Calls, X Sales, Y 20 30 Second one 40 60 Third one 20 40 Fourth one 30 60 Fifth one 10 30 Sixth one 10 40 Seventh one 20 40 Eighth one 20 50 Ninth one 20 30 Tenth one 30 70
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