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? Full data set E Carpeted 12.8 15.6 Uncarpeted 7 8.1 10.4 6.7 9 5.1 13.3 13.7 9.3 12 5.9 7.4 10.8 7 E Click the icon to view the Student t-distribution table. What are the null and alternative hypotheses? Ho: Hcarpet Pno carpet versus H1: Hcarpet Hno carpet Calculate the test statistic, to. to = 3.85 (Round to two decimal places as needed.) Now find the critical value. Select the correct choice below and fill in the answer box within your choice. (Round to three decimal places as needed.) O A. t= O B. /2=|
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? Full data set E Carpeted 12.8 15.6 Uncarpeted 7 8.1 10.4 6.7 9 5.1 13.3 13.7 9.3 12 5.9 7.4 10.8 7 E Click the icon to view the Student t-distribution table. What are the null and alternative hypotheses? Ho: Hcarpet Pno carpet versus H1: Hcarpet Hno carpet Calculate the test statistic, to. to = 3.85 (Round to two decimal places as needed.) Now find the critical value. Select the correct choice below and fill in the answer box within your choice. (Round to three decimal places as needed.) O A. t= O B. /2=|
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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