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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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![in
uncam dIfferent from the mean amount of airborne bacteria in uncarpeted rooms. To test this, carpeted and
ount of bacteria on the dish was recorded The results are presented in the following table:
Uncarpeted rooms
Carpeted rooms
12.1
9.8
Sample mean of bacteria per ft'
Sample std. dev. of bacteria per ft
Number of rooms tested
3.2
2.7
23
%3D
U.05 to see test if the amount off airborne bacteria is different in carpeted rooms than in uncarpeted
rooms.
I.
State your hypotheses
II.
State the allowable type I error rate (a.)
III.
Calculate your test statistic, the p-value and draw the physical representation of the p-value
IV.
Make your decision to either reject the null or fail to reject the null.
V.
Make a concluding statement.
b.) Run a 95% confidence interval for the hypothesis test above. Don't forget to make a proper conclusion.](https://content.bartleby.com/qna-images/question/54a609be-57bd-425d-9045-440a678a1b40/1f4760c8-4f5b-49e4-9460-73f38ff475a1/ezllynd_thumbnail.jpeg)
Transcribed Image Text:in
uncam dIfferent from the mean amount of airborne bacteria in uncarpeted rooms. To test this, carpeted and
ount of bacteria on the dish was recorded The results are presented in the following table:
Uncarpeted rooms
Carpeted rooms
12.1
9.8
Sample mean of bacteria per ft'
Sample std. dev. of bacteria per ft
Number of rooms tested
3.2
2.7
23
%3D
U.05 to see test if the amount off airborne bacteria is different in carpeted rooms than in uncarpeted
rooms.
I.
State your hypotheses
II.
State the allowable type I error rate (a.)
III.
Calculate your test statistic, the p-value and draw the physical representation of the p-value
IV.
Make your decision to either reject the null or fail to reject the null.
V.
Make a concluding statement.
b.) Run a 95% confidence interval for the hypothesis test above. Don't forget to make a proper conclusion.
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