3. Let X be the weight (in pounds) of pumpkins grown in a certain county (county A) in Kentucky. Assume that X is N(μA, O2). A sample of 9 pumpkins was selected and the results are shown below: 5.72 6.91 7.22 6.38 7.26 5.94 8.39 7.04 5.26 Conduct the following hypothesis test: Hoo=1.0 against Ha: < 1.0 Use a significance level of a=.10 and a x² test. A) Identify the critical region. B) Compute the test statistic. C) What is your decision for the hypothesis test? Justify your answer.

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
Question
I need help with part A,B and C.
3. Let X be the weight (in pounds) of pumpkins grown in a certain county (county A) in Kentucky.
Assume that X is N(μA, O2). A sample of 9 pumpkins was selected and the results are shown
below:
5.72 6.91 7.22 6.38 7.26 5.94 8.39 7.04 5.26
Conduct the following hypothesis test:
Hoo=1.0 against Ha < 1.0
Use a significance level of a=.10 and a x² test.
A) Identify the critical region.
B) Compute the test statistic.
C) What is your decision for the hypothesis test? Justify your answer.
Transcribed Image Text:3. Let X be the weight (in pounds) of pumpkins grown in a certain county (county A) in Kentucky. Assume that X is N(μA, O2). A sample of 9 pumpkins was selected and the results are shown below: 5.72 6.91 7.22 6.38 7.26 5.94 8.39 7.04 5.26 Conduct the following hypothesis test: Hoo=1.0 against Ha < 1.0 Use a significance level of a=.10 and a x² test. A) Identify the critical region. B) Compute the test statistic. C) What is your decision for the hypothesis test? Justify your answer.
Expert Solution
Step 1

Given

         n=9

       σ2=1.0

        α=0.10

The formula for sample standard deviation is,

         s=X2-X2nn-1

steps

Step by step

Solved in 4 steps

Blurred answer
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