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The owner of Showtime Movie Theaters, Inc. would like to estimate weekly gross rev-enue as a function of advertising expenditures. Historical data for a sample of eight weeksfollow.$\begin{array}{l}{\text { a. Develop an estimated regression equation with the amount of television advertising as }} \\ {\text { the independent variable. }} \\ {\text { b. Develop an estimated regression equation with both television advertising and news- }} \\ {\text { paper advertising as the independent variables. }}\end{array}$$\begin{array}{l}{\text { c. Is the estimated regression equation coefficient for television advertising expenditures }} \\ {\text { the same in part (a) and in part (b)? Interpret the coefficient in each case. }}\end{array}$$\begin{array}{l}{\text { d. Predict the weekly gross revenue for a week when } \$ 3500 \text { is spent on television adver- }} \\ {\text { tising and } \$ 1800 \text { is spent on newspaper advertising. }}\end{array}$

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a) $\hat{y}=88.6+1.60 x$b) $\hat{y}=83.2+2.29 x_{1}+1.30 x_{2}$c) $b_{i}$ represents an estimte of the change in y corresponding to a one-unit change in $\mathrm{x}_{\mathrm{i}}$ when all other independent variables are held constant.d) 93.555

Intro Stats / AP Statistics

Chapter 13

Multiple Regression

Descriptive Statistics

Linear Regression and Correlation

Saurav N.

November 12, 2020

Parth R.

March 12, 2022

Are there any outliers in your data? How does one identify outliers from the Excel regresison output

Which independent variable is more significant and why?

Indicate one other independent variable which if added to this model, will improve the predictive power of the model

If Your regression equation is in the form Y = M1 X1 + M2 X2 + C. Interpret the M1 and the M2 of your regression equation.

Missouri State University

University of St. Thomas

Idaho State University

Lectures

0:00

02:46

The owner of Showtime Movi…

02:28

In exercise $5,$ the owner…

01:34

Exercise 5 gave the follow…

04:52

A study was made by a reta…

04:46

04:25

Movie budgets ${ }^{13}$ H…

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