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MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I need help figuring this out, very confused.

Transcribed Image Text:A manufacturer produces both a deluxe and a standard model of an automatic sander designed for home use. Selling prices obtained
from a sample of retail outlets follow.
Model Price ($)
Model Price ($)
Retail Outlet
Deluxe Standard
Retail Outlet
Deluxe Standard
1
40
27
5
40
30
2
39
28
39
32
3
43
35
7
36
29
4
38
31
a. The manufacturer's suggested retail prices for the two models show a $10 price differential. Use a .05 level of significance and test
that the mean difference between the prices of the two models is $10.
Develop the null and alternative hypotheses.
Ho= μd
Select
Ha = µ d Select
Calculate the value of the test statistic. If required enter negative values as negative numbers. Use z-table. (to 2 decimals).
The p-value is Select
Can you conclude that the price differential is not equal to $10?
Select v
b. What is the 95% confidence interval for the difference between the mean prices of the two models (to 2 decimals)?

Transcribed Image Text:A manufacturer produces both a deluxe and a standard model of an automatic sander designed for home use. Selling prices obtained
from a sample of retail outlets follow.
Model Price ($)
Model Price ($)
Retail Outlet Deluxe Standard
Retail Outlet Deluxe Standard
1
40
27
5
40
30
2
39
28
6.
39
32
3
43
35
7
36
29
4
38
31
a. The manufacturer's suggested retail prices for the two models show a $10 price differential. Use a .05 level of significance and test
that the mean difference between the prices of the two models is $10.
Develop the null and alternative hypotheses.
Ho = µ d v Select
Ha = µ c
greater than 10
greater than or equal to 10
equal to 10
Calculate
If required enter negative values as negative numbers. Use z-table. (to 2 decimals).
less than or equal to 10
less than 10
not equal to 10
The p-value is Select
Can you conclude that the price differential is not equal to $10?
Select v
b. What is the 95% confidence interval for the difference between the mean prices of the two models (to 2 decimals)?
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