Full data set O A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.01 level of significance? Carpeted 15.6 Uncarpeted 12.8 9 8.1 5.1 13.3 9.3 12 10.4 5.9 7.4 13.7 10.8 6.7 Click the icon to view the Student t-distribution table. What are the null and alternative hypotheses? Họ: Hcarpet Pno carpet versus H1: Hcarpet Pno carpet Calculate the test statistic, to. to =| (Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for
Full data set O
the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data
Carpeted
Uncarpeted
9
are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at
the a = 0.01 level of significance?
12.8
15.6
8.1
5.1
13.3
9.3
12
10.4
5.9
7.4
13.7 10.8
6.7
E Click the icon to view the Student t-distribution table.
What are the null and alternative hypotheses?
Ho: Hcarpet
Pno carpet versus H,: Hcarpet
Hno carpet
Calculate the test statistic, to.
to =
(Round to two decimal places as needed.)
Transcribed Image Text:A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for Full data set O the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data Carpeted Uncarpeted 9 are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.01 level of significance? 12.8 15.6 8.1 5.1 13.3 9.3 12 10.4 5.9 7.4 13.7 10.8 6.7 E Click the icon to view the Student t-distribution table. What are the null and alternative hypotheses? Ho: Hcarpet Pno carpet versus H,: Hcarpet Hno carpet Calculate the test statistic, to. to = (Round to two decimal places as needed.)
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