Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Does the data seem the strength of the relationship between variables is sufficient to warrant using linear regression forecasting?

Few members of management of the Fairface Cosmetic Firm believe that demand for its products is related to the promotional activities of local department stores where the cosmetics are sold. But others in management believe that other factors, such as local annual promotional expenditures for Fairface products as well as local annual unit sales for Fairface lip gloss have been collected from 20 stores selected at random from different localities-

Store

Annual Unit Sales(1,000s)

Annual Promotional Expenditures($1.000s)

1

3.5

$12.60

2

7.2

15.5

3

3.1

10.8

4

1.6

8.7

5

8.9

20.3

6

5.7

21.9

7

6.3

25.6

8

9.1

14.3

9

10.2

15.1

10

7.3

18.7

11

2.5

9.6

12

4.6

12.7

13

8.1

16.3

14

2.5

8.1

15

3

7.5

16

4.8

12.4

17

10.2

17.3

18

5.1

11.2

19

11.3

18.5

20

10.4

16.7

Based on these data does it seem that the strength of the relationship between sales as well as promotional expenditures is adequate to warrant using a linear regression forecasting model? Describe your response.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M923424

Have any Question? 


Related Questions in Statistics and Probability

The population of lengths of aluminum-coated steel sheets

The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.3 inches. What is the probability that average length of a steel sheet from a sa ...

St augustine and socrates both acknowledge that the perfect

St. Augustine and Socrates both acknowledge that the perfect city cannot exist in this world. For each of them, what is it about the nature of human beings and of political life that makes this impossible?

Suppose we randomly sample 400 nucleotides from the human

Suppose we randomly sample 400 nucleotides from the human genome. (Consider only a single strand.) Does the occurrence of adenine, thiamine, cytosine and guanine (A, C, T and G) in this sample suggest that nucleotides in ...

Question 67 of laguardia students are female a random

Question: 67% of LaGuardia students are female. A random sample of 6 students is to be selected. Let the random variable X be the number of female students in a sample. a.) Explain why X is a binomial random variable. (F ...

The mean sat score in mathematics is 515 the founders of a

The mean SAT score in mathematics is 515 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean. Suppose that the founders of the course ...

Shoesmith wave inc a new and largely unproven economic

Shoesmith Wave, Inc., a new and largely unproven economic forecasting service, expects the inflation rate in South Korea to average 9 percent per year over the next five years. In comparison, Shoesmith expects a U.S. inf ...

Exposure to medicine x during pregnancy was investigated

Exposure to medicine 'x' during pregnancy was investigated for 108 mothers of children with congenital defects and 108 mothers of normal controls. The researchers examined exposure to medicine 'x' during the first trimes ...

1 draw a negatively skewed distribution2 what does it

1. Draw a negatively skewed distribution. 2. What does it indicate if a participant has a z-score of 2.5? -.80? .OO?

The number of accidents occurring per week at a dangerous

The number of accidents occurring per week at a dangerous intersection, recorded over a period of 6 weeks are, 2, 1, 6, 5, 1, 3. What is the sample standard deviation for this data?

Suppose the mean test scores for a college enter exam is

Suppose the mean test scores for a college enter exam is normally distributed with mean = 78 and standard deviation = 12. a). If an individual student is selected at random, what is the probability that this student's sc ...

  • 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