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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 = 0.05 level of significance? Full data set O Uncarpeted Carpeted 13.5 14.5 11.2 12.8 6 12.5 14.1 12.4 12.7 7.3 11 14.3 9 5.3 13.4 10.2 E Click the icom view the Student t-distribution table. What are the null and alternative hypotheses? Họ: Hcarpet - Pno carpet versus H,: Hcarpet Pno carpet Calculate the test statistic, to to = (Round to two decimal places as needed.)

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 = 0.05 level of significance? Full data set O Uncarpeted Carpeted 13.5 14.5 11.2 12.8 6 12.5 14.1 12.4 12.7 7.3 11 14.3 9 5.3 13.4 10.2 E Click the icom view the Student t-distribution table. What are the null and alternative hypotheses? Họ: Hcarpet - Pno carpet versus H,: Hcarpet Pno carpet Calculate the test statistic, to to = (Round to two decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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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 Full data set O 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 = 0.05 level of significance? Carpeted 13.5 Uncarpeted 14.1 12.7 6 12.5 11 14.3 14.5 12.4 5.3 13.4 11.2 12.8 7.3 10.2 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 Pno 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 the number of bacteria per cubic foot for both types of rooms. A normal Full data set O 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 = 0.05 level of significance? Carpeted 13.5 Uncarpeted 14.1 12.7 6 12.5 11 14.3 14.5 12.4 5.3 13.4 11.2 12.8 7.3 10.2 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 Pno carpet Calculate the test statistic, to. to = (Round to two decimal places as needed.)
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