Graph the points from 1998 through 2005 on a scatter

Assignment Help Basic Statistics
Reference no: EM13582015

A store wishes to predict net profit as a function of sales for the next year. The following table gives the years 1998 to 2005.

Year

Sales

(thousands of dollars)

Net Profit

1998

51

7

1999

55

9.2

2000

65

9.6

2001

82

-3

2002

75

2.5

2003

71

3.2

2004

82

-2.3

2005

81

-2.6

(a) Graph the points from 1998 through 2005 on a scatter diagram using Sales as the independent variable and Net Profit as the dependent variable.

(b) Draw the regression line on the graph you constructed in Part (a).

(c) What is the value of the coefficient of determination for this regression model? Comment on the strength of the regression line for this model.

(d) What is the predicted net profit for 2006 if sales are expected to be 105?

Reference no: EM13582015

Questions Cloud

Define a plan to add more value to starbucks company make : define a plan to add more value to starbucks company? make a case study to this company to make benefits tocustomers
Assume that a population is normally distributed with a : assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. would it be unusual
A 550000 capital investment proposal has an estimated life : a 550000 capital investment proposal has an estimated life of four years and no residual value. the minimum desired
At a distance of 15 m the potential is 40 v and the : a long the axis of a uniformly charged disk at a point 0.6 m from the center of the disk the potential is 80 v and the
Graph the points from 1998 through 2005 on a scatter : a store wishes to predict net profit as a function of sales for the next year. the following table gives the years 1998
A project has estimated annual cash flows of 90000 for : a project has estimated annual cash flows of 90000 for three years and is estimated to cost 250000. assume a minimum
What advice would you give silvio regarding his decision on : 1. do you think silvio was the right choice for general manager of schindlers india operations? why? why not?2. as luc
If thomson company did not issue any bonds payable during : if thomson company did not issue any bonds payable during the year and its bonds payable account decreased by 200000
Three charged particles are fixed to an x axis particle 1 : three charged particles are fixed to an x axis particle 1 of charge q1 2.1e-8 c is at position x20 cm and particle 2

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the sample proportions and z test statistic

The fleet of yellow fire trucks made 135,035 runs and had 4 accidents. At α = .01, did the yellow fire trucks have a significantly lower accident rate?

  Hypothesis testing-use of cellular phones

The use of cellular phones in automobiles has increased dramatically in the last few years. Of concern to traffic experts, as well as manufacturers of cellular phones

  Exams in math and in spanish

Last week Sarah had exams in Math and in Spanish. On the math exam, the mean was m = 40 with s = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was m = 60 with s = 8 and Sarah had a score of X = 68. For which class should Sara e..

  What is the requested completion time in work-days

To be 99% sure that we will not be late in completing the project, what is the requested completion time in work-days?

  At the 5 level of significance can we infer that the

the following data represent weights in pounds for two random samples of men of approximately 5 feet 10 inches tall and

  Testing mean weight using p-value approach

Test whether the mean weight is greater than 16 ounces with P-value approach.

  Experiment designed to measure the relationship

The administration of Midwest State University wants to know if arrangement of chairs affects student participation in classrooms. What would be a good operational definition of the dependent variable in an experiment designed to measure this rela..

  Find probability woman chosen will meet minimum intake

Assume the FDA has established 200 grams of fruits and vegetables as minimum daily intake. Determine the probability woman selected will meet this minimum intake?

  Determine cumulants-ratio-standard deviation-average energy

Determine the first two cumulants also the ratio between the standard deviation and average energy. Explain why distribution becomes extremely narrow.

  Research process and modern business world

Albert Einstein stated, "The formulation of a problem is far more often essential than its solution, which may be merely a matter of mathematical or experimental skill.

  Estimating the sample size based on normal distribution

Karefree State University has an enrollment of 18,000. Researchers took a sample of 900 and found 477 students wanted a Field Hockey team. Construct the 95% and 99% Interval estimates for the population proportion.

  Mean number of infected children per sample

If samples of size 224 were repeatedly selected from the population of children born to mothers with HIV antibody, what would be the mean number of infected children per sample?

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