This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Guitars R. US has three stores located in three different areas. Random samples of the sales of the ... (Read 106 times)

Katmoss16

  • Full Member
  • ***
  • Posts: 156
on: Mar 25, 2023

Question 1

For four populations, the population variances are assumed to be equal. Random samples from each population provide the following data.

Population

Sample Size

Sample Mean

Sample Variance

1

11

40

23.4

2

11

35

21.6

3

11

39

25.2

4

11

37

24.6


Using a .05 level of significance, test to see if the means for all four populations are the same.



Question 2

Guitars R. US has three stores located in three different areas. Random samples of the sales of the three stores (in $1000) are shown below.

 

Store 1

Store 2

Store 3

80

85

79

75

86

85

76

81

88

89

80

 

80

  


 

a.Compute the overall mean.
b.State the null and alternative hypotheses to be tested.
c.Show the complete ANOVA table for this test including the test statistic.
d.The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?
e.Determine the p-value and use it for the test.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Katmoss16 on Mar 25, 2023

KAyteeBee1129

  • Full Member
  • ***
  • Posts: 165
Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 64% of students answer this correctly


Katmoss16

  • Member
  • Posts: 156
Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

West nomogram for estimation of surface areas. West nomogram for estimation of surface areas.
Functional magnetic resonance image (fMRI). This image illustrates the areas of cortex that became ... Functional magnetic resonance image (fMRI). This image illustrates the areas of cortex that became ...
The visual areas of the human cerebral cortex. The visual areas of the human cerebral cortex.
Specialized areas of the brain. Specialized areas of the brain.
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Electropherogram showing the STR profiles of four samples from a rape case Electropherogram showing the STR profiles of four samples from a rape case
Video: Glycolysis Animation

For a complete list of videos, visit our video library