Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Estimating the regression equation. 

You have been provided with the following regression output. The dependent variable is unit sales of a product, and the independent variable is the dollar value of newspaper advertising for that product. The unit of analysis is weeks; that is, each of the observations in the underlying sample data represents a separate week of sales and newspaper advertising.
Regression Analysis: Sales versus Newspaper

The regression equation is
Sales = 6514 + 0.0386 Newspaper

Predictors

   Co-eff

           SECo-eff           

          T              

           P

Constant

   6514

         1138

     5.72

         0.000

Newspaper      

   0.038625                     

      0.005494

     7.03

         0.00

 S = 5630.70   R-Sq = 24.3%   R-Sq(adj) = 23.8%

Analysis of Variance 

Source

      D F

           S          

        M S                        

 F

 P

Regression  

      1

       1567134272

      1567134272

 49.43

 0.000

Residual Error

      154

      4882532724

      31704758

 

 

Total      

      155

      6449666996

 

 

 

1. How much of the variability has been describeed?

2. Is there a relationship between sales and newspaper advertising? Maintain your answer?

3. What does the constant coefficient 6514 mean?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921051

Have any Question? 


Related Questions in Statistics and Probability

A ski gondola carries skiers to the top of a mountain it

A ski gondola carries skiers to the top of a mountain. It bears a plaque stating that the maximum capacity is 14 people or 2324 lb. That capacity will be exceeded if 14 people have weights with a mean greater than 2324 l ...

In a survey of 635 males ages 18-64399 say they have gone

In a survey of 635 males ages 18-64,399 say they have gone to the dentist in the past year.Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and compare the widths of the con ...

A laboratory in california is interested in finding the

A laboratory in California is interested in finding the mean chloride level for a healthy resident in the state. A random sample of 50 healthy residents has a mean chloride level of 100 mEq/L. If it is known that the chl ...

Net exports are calculated by subtracting imports from

Net Exports are calculated by subtracting Imports from Exports. Assume Exports and Imports are independent of one another.  If mean exports are $25M with a standard deviation of $3.5M and mean imports are $30M with a sta ...

Researchers are interested in determining if men and womens

Researchers are interested in determining if men and women's hearts tend to be different sizes. In a sample of 12 males, the mean diameter of the heart was 13.21 cm with a standard deviation of 1.05. Among 9 females, the ...

Imagine that your town or city has increased its nighttime

Imagine that your town or city has increased its nighttime police patrols to reduce crime. Design two quasi-experiments to determine whether this intervention has been effective, one that uses some variation of a nonequi ...

Suppose a firm that produces light bulbs wants to know

Suppose a firm that produces light bulbs wants to know whether it can say that its light bulbs typically last more than 1500 hours. Hoping to find support for their claim, the firm collects a random sample of n = 25 ligh ...

A family is relocating from st louis missouri to california

A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is taking longer than before to sell a house. The wife is concerned and wants to know when it is o ...

Discuss how the concept of behavioral variability relates

Discuss how the concept of behavioral variability relates to the following topics: a. the research questions that interest behavioral researchers b. the design of research studies c. the measurement of behavior d. the an ...

Its believed that as many as 20 of adults over 50 never

It's believed that as many as 20% of adults over 50 never graduated from high school. We wish to see if this percentage is the same among the 25 to 30 age group. a) How many of this younger age group must we survey in or ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen