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 O Carpeted Uncarpeted 10.5 13 14.7 2.6 11.3 6 6.4 14 14.5 3.6 7.9 7.7 15.8 6.6 4.9 9.5 E Click the icon to view the Student t-distribution table. What are the null and alternative hypotheses? Ho: Hcarpet Hno carpet versus H1: Hcarpet Pno carpet Calculate the test statistic, to tn = 3.13 (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/2= O B. 4=

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
icon
Concept explainers
Question
A researcher wanted to determine if carpeted or uncarpeted rooms contain more bacteria. The table shows the results for
Full data set D
the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data
Carpeted
Uncarpeted
are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at
the a = 0.01 level of significance?
10.5
13
14.7
2.6
11.3
6
6.4
14
14.5
3.6
7.9
7.7
15.8
6.6
4.9
9.5
E Click the icon to 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 = 3.13 (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. tu/2=
O B. 4=
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 D the number of bacteria per cubic foot for both types of rooms. A normal probability plot and boxplot indicate that the data Carpeted Uncarpeted are approximately normally distributed with no outliers. Do carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.01 level of significance? 10.5 13 14.7 2.6 11.3 6 6.4 14 14.5 3.6 7.9 7.7 15.8 6.6 4.9 9.5 E Click the icon to 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 = 3.13 (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. tu/2= O B. 4=
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 2 images

Blurred answer
Knowledge Booster
Continuous Probability Distribution
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman