Ask Question, Ask an Expert


Ask Statistics and Probability Expert

Interpreting regression coefficients as well as describeing their Statistical Significance.

The director of marketing at vanguard corporation believe that sales of the company's bright side laundry detergent (S) are related to Vanguard's own advertising expenditure (A) as well as the combined advertising expenditures of its three biggest rival detergents ( R). The marketing director collects 36 weekly observations on S, A and R to estimate the following multiple regression equation-

S = a + bA + cR

Where S, A and R are measured in dollars per week. Vanguard's marketing director is comfortable utilizing parameter estimates that are statistically significant at the 10% level or better.

1) What sign does the marketing director expect a, b, and c to have?

2) Interpret the coefficients a, b and c.

The regression outcomes from the computer is as follows-





















3) Does Vanguard's advertising expenditures have a statistically significant effect on the sale of Brightside detergent? describe using the appropriate p-value

4) Does advertising by its three largest rivals affect sales of Bright Side detergent in a statistically way? describe using the appropriate p-value.

5) What fraction of the total variation in sales of Bright Side remains undescribeed and what can the marketing director do to increase the explanatory power of sales equation and what other explanatory variables might be added to this equation?

6) What is the expected level of sales each week when Vanguard spends $40,000 per week as well as the combined advertising expenditures for the three rivals are $100,000 per week?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921241

Have any Question? 

Related Questions in Statistics and Probability

The mathematics faculty at a college consists of 6

The mathematics faculty at a college consists of 6 professors, 9 associate professors, 7 assistant professors, and 12 instructors. If one faculty member is randomly selected, find the probability of choosing a professor ...

It is estimated that 89 of senior citizens suffer from

It is estimated that 89% of senior citizens suffer from sleep disorders and 8% suffer from anxiety. Moreover, 5% of senior citizens suffer from both sleep disorders and anxiety. (a) Given that a senior citizen suffers fr ...

Nicollette joined towson university basketball team since

Nicollette joined Towson University basketball team since summer 2015. On average, she is able to score 30% of the field goals. Assume she tries 15 field goals in a game. (a) Let X be the number of field goals that Mimi ...

Read full english transcript of osama bin ladens speechwhat

Read: full English transcript of Osama bin Laden's speech What are some examples of bin Laden's complaints against Western society? What seems to be his plan for the Islamic world?

1 must all experiments include a control group explain2 in

1. Must all experiments include a control group? Explain. 2. In what way do researchers take a risk if they do not pilot test the independent variable they plan to use in an experiment?

The wall street journal ceo compensation study analyzed ceo

The Wall Street Journal CEO Compensation Study analyzed CEO pay from many U.S. companies with fiscal year 2008 revenue of at least $5 billion that filed their proxy statements between October 2008 and March 2009. The dat ...

In this exercise we prove a generalization of brouwers

In this exercise, we prove a generalization of Brouwer's Fixed Point Theorem to compact sets that are not necessarily convex, but are homeomorphic to a convex set. Two compact sets X and Y in R n  are called homeomorphic ...

Imagine that you predicted a moderate correlation between

Imagine that you predicted a moderate correlation between people's scores on a measure of anxiety and the degree to which they report having insomnia. You administered measures of anxiety and insomnia to a sample of 30 p ...

Thirty percent of the time a sale at food shoppe is paid

Thirty percent of the time, a sale at Food Shoppe is paid using a store-issued credit card. A sample of 18 Food Shoppe sales is obtained. Let X represent the number of sales paid for using the store-issued credit card. W ...

Connie wants to have an annuity payment of 2000 at the end

Connie wants to have an annuity payment of $2,000 at the END of every three months. How much should she deposit now at 6% interest, compounded quarterly, to yield this payment for 3 years? (Use Table 12-2 in your text) $ ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro