Regression equation to estimate value of dependent variable

Assignment Help Basic Statistics
Reference no: EM1315245

Mr. James McWhinney, president of Daniel-James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales. To document this assertion,Mr. McWhinney gathered the following sample information. The x column indicates the number of client contacts last month, and the y column shows the value of sales ($ thousands) last month for each salesperson sampled.

Salesperson

Contacts (x)

Sales (y)

Robert Armstrong

14

     24

Jack Bender

12

                    14

Dorothy Brumley

20

                    28

Carmen Carella

16

                    30

Annette Perrault

46

                    80

Mary Jane Duryee

23

                    30

David Gwyer

48

                    90

Harvey Lazik

50

                    85

Ray Osbeck

55

                   120

Al Montanaro

50

                   110

A. Determine the regression equation.

B. Determine the estimated sales if 40 contacts are made.

Reference no: EM1315245

Questions Cloud

Authenticating the evidence : You will offer the POC additionally as a matter of procedure the known facts of incident and what are the procedures were utilized during the initial case reviews. Identification of any collection requirements for attaining and authenticating the ..
Find the average power developed by the engine : A 1.50 multiplied by 103kg car starts from rest and accelerates uniformly to 18.50m/s in 13s. Assume that air resistance remains constant at 400N during this time.
Strength of the relationship using correlation and r-square : Evaluate the strength of the relationship by computing the coefficient of determination.
Federal government budget expenditures : Bush proposed for government expenditures in the case of a recessionary gap? What is the effect of his policies on the federal government budget?
Regression equation to estimate value of dependent variable : A. Determine the regression equation. B. Determine the estimated sales if 40 contacts are made.
Stimulate the economy in case of recessionary gap : Fiscal policy refers to the use of government expenditures or tax policy to influence the aggregate demand for a specific purpose.
What is a minimum time necessary for crossing : A person exerts a horizontal force of F = 169N in the test apparatus. (h = 0.32m.) Find the horizontal force M that his flexor muscle exerts on his fore arm.
Compute cost of retained earnings and common equity and wacc : Compute cost of retained earnings and common equity and WACC and What is the minimum cash flow per year this project should generate over the next four years to be accepted by the company
Computing cumulative probabilities of numbers : Compute cumulative probabilities for these numbers in second column. Then create a histogram illustrating data distribution. Using generated Normal probability table, determine probability of  Pr(X

Reviews

Write a Review

Basic Statistics Questions & Answers

  Mutually exclusive events and independent event

Given that P (A) = 0.7, P (B) = 0.5, and P (A B) = 0.8. Find the following probabilities:

  Computing and interpreting suitable measure of association

Draw the suitable 2x2 table, compute and interpret suitable measure of association.

  Preparing a r-chart

For the data giben below, prepare a R-chart. Note that the sample size is three.

  Tests and statistics

Test the hypothesis that no difference exists between the groups at α = .05 and perform and report all related tests and statistics.

  Probability density function

Give a mathematical expression for the probability density function of driving distance.

  Probability depend on binomial distribution

Find the probability that exactly 15 flights arrive on time.

  Probability based on chebyshev inequality

The mean amount of time a (unnamed) computer server is down is 18.3 minutes with a standard deviation of 5.7 minutes.

  To test the claim using chi-square test for goodness of fit

Conduct a statistical test to determine if the sample is representative of the population.

  Creating confidence interval for population proportion

Create a 95% confidence interval for population proportion of positive drug tests.

  Estimate the expected value

One state lottery has 1000 prizes of $1, 200 prizes of $5, 50 prizes of $25, 15 prizes of $150, 4 prizes of $500, and 1 prize of $2500.  What is the lottery expected profit per ticket?

  Utilizing binominal experiment for probability

Utilizing a binominal experiment, that is each trail can be reduced to two outcomes, construct a binomial distribution.

  Evidence that females are being discriminated against

Examine the relationship between final grade and the reported hours per week each student said they studied for the course. Do we have evidence that females are being discriminated against?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd