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

Consider rolling a fair 6-faced die twice let a be the

Consider rolling a fair 6-faced die twice. Let A be the event that the sum of the two rolls is atmost 6, and B be the event that the first one is an even number. (a) What is the probability that the sum of the two rolls ...

Using the standard normal distribution tables what is the

Using the standard normal distribution tables, what is the area under the standard normal curve corresponding to Z

The umuc minimart sells five different types of coffee mugs

The UMUC MiniMart sells five different types of coffee mugs. The manager reports that the five types are equally popular. Suppose that a sample of 500 purchases yields observed counts 110, 100, 110, 100, and 80 for types ...

What are the entry level steps to use analytical solver on

What are the entry level steps to use Analytical Solver on excel to create a spreadsheet model and solve it by using solver?

Satistics project come up with a survey pick a population

Statistics Project: Come up with a survey: Pick a population Come up with 4 variablesà 2 Quantitative & 2 Qualitative (make up numbers) Pick 50 data points for each variable, make a table on excel, use a scatter plot gra ...

Let s sube rn be a closed and convex set and let x isin

Let S ⊆ Rn be a closed and convex set, and let x ∈ S. Find a hyperplane H(α, β) strictly separating x from S; i.e., x is in the interior of H +(α, β), and S is in the interior H -(α, β).

Exam - probability and stochastic modelspart a -q1 twelve

Exam - Probability and Stochastic models Part A - Q1. Twelve recruits were subjected to a selection test to ascertain their suitability for a certain course of training. At the end of training there were given a proficie ...

An accounting professor is notorious for being stingy in

An accounting professor is notorious for being stingy in giving out good letter grades. In a large section of 140 students in the fall semester, she gave out only 5% As, 23% Bs, 42% Cs, and 30% Ds and Fs. Assuming that t ...

1 the waiting time t between successive occurrences of an

1. The waiting time T between successive occurrences of an event E in a discrete time renewal process has the probability distribution P(T =1) = 0.7, P(T = 2) = 0.3. (iii) If an observer arrives after the renewal process ...

Regression analysiscalculate then explaininterpret the

Regression analysis Calculate then explain/interpret the following 14 tasks/tests using the dependent variable (labeled Y)(Sales) and the independent variables (labeled X1 (Calls), X2 (Time), and X3(Years)). Attached is ...

  • 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