hi would you please help me solve this question? A Company sells products in several sales territories by making use of a single sales representative.ATegression analysis was conducted to determine whether a variety of independent variables couldexplain the sales (y) in each territory. The following model was fitted to monthly data collectedover the past 25 months:E(y) = B, + B,x, + B,x, + B,x, + B,x, + B,x, wherelength of time representative is employed in monthsX2advertising expenditure in Randx = number of accounts assigned to the representativeX4 = workload - an index based on annual purchases and number of accounts= market share of the company – the average for the past four yearsX5||-a Duibin-W atson test statisticIf I haved= 1.blg how do I perform10% level of Significancegif there isSufficient evidence to indí sate that theaTest at aregression residuals are Correlated?

Name: hi would you please help me solve this question? A Company sells produ
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Description: hi would you please help me solve this question? A Company sells products in several sales territories by making use of a single sales representative.ATegression analysis was conducted to determine whether a variety of independent variables couldexpl

Answered: A Company sells products in several…

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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hi would you please help me solve this question?

A Company sells products in several sales territories by making use of a single sales representative.
ATegression analysis was conducted to determine whether a variety of independent variables could
explain the sales (y) in each territory. The following model was fitted to monthly data collected
over the past 25 months:
E(y) = B, + B,x, + B,x, + B,x, + B,x, + B,x, where
length of time representative is employed in months
X2
advertising expenditure in Rand
x = number of accounts assigned to the representative
X4 = workload - an index based on annual purchases and number of accounts
= market share of the company – the average for the past four years
X5
||
-
a Duibin-W atson test statistic
If I have
d= 1.blg how do I perform
10% level of Significancegif there is
Sufficient evidence to indí sate that the
a
Test at a
regression residuals are Correlated?

Expert Solution

Step 1

From the given information,

Consider, the regression model can be expressed as:

$E (Y) = β_{0} + β_{1} X_{1} + β_{2} X_{2} + β_{3} X_{3} + β_{4} X_{4} + β_{5} X_{5}$

Here,

$n = 25 k' = n u m b e r o f r e g r e s s i o n c o e f f i c i e n t t o b e e s t i m a t e d, e x c e p t c o n s \tan t t e r m = 5$

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