a. Jerry Sam owns and operates a chain of 12 department stores in New Ville. Sales...
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a. Jerry Sam owns and operates a chain of 12 department stores in New Ville. Sales figures and advertising expenses for the stores are provided in the table below. Sales are given in millions of dollars; advertising expenses are in tens of thousands of dollars. Sales Store Advertising 14 11 T23456700 O 66486 GAWN 8 15 16 24 28 22 21 26 43 63555OINS 1. $240,000 2. $300,000 15 18 17 12 9 10 20 11 34 14 12 9 5 i. Calculate the slope for the regression line. (show all working) ii. Calculate the intercept for the regression line. (show all working) iii. Write the equation for the regression line. iv. Forecast sales for a store if advertising spending is:- 15 a. Jerry Sam owns and operates a chain of 12 department stores in New Ville. Sales figures and advertising expenses for the stores are provided in the table below. Sales are given in millions of dollars; advertising expenses are in tens of thousands of dollars. Sales Store Advertising 14 11 T23456700 O 66486 GAWN 8 15 16 24 28 22 21 26 43 63555OINS 1. $240,000 2. $300,000 15 18 17 12 9 10 20 11 34 14 12 9 5 i. Calculate the slope for the regression line. (show all working) ii. Calculate the intercept for the regression line. (show all working) iii. Write the equation for the regression line. iv. Forecast sales for a store if advertising spending is:- 15
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To calculate the slope and intercept for the regression line we need to perform linear regression an... View the full answer
Related Book For
Intermediate Accounting Volume 2
ISBN: 9781260881240
8th Edition
Authors: Thomas H. Beechy, Joan E. Conrod, Elizabeth Farrell, Ingrid McLeod-Dick, Kayla Tomulka, Romi-Lee Sevel
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