A random sample of n = 50 individuals is obtained from a population with a mean of µ = 736. A treatment is administered to each individual in the sample and, after treatment, is measured. The average score for the treated sample is M = 732 with SS=962. Use a 2-tailed test with a critical value at .05. %3D

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
Directions for questions 3-4: For each question, conduct every step of the Hypothesis testing process
(steps 1-5) as we went over in class:
3. A random sample of n = 50 individuals is obtained from a population with a mean of u = 736. A
treatment is administered to each individual in the sample and, after treatment, is measured. The average
score for the treated sample is M= 732 with SS= 962. Use a 2-tailed test with a critical value at .05.
Transcribed Image Text:Directions for questions 3-4: For each question, conduct every step of the Hypothesis testing process (steps 1-5) as we went over in class: 3. A random sample of n = 50 individuals is obtained from a population with a mean of u = 736. A treatment is administered to each individual in the sample and, after treatment, is measured. The average score for the treated sample is M= 732 with SS= 962. Use a 2-tailed test with a critical value at .05.
Expert Solution
Step 1

Given : n=50 , X-bar=732  , SS=963 , μ0=736 , α=0.05

Now , the sample standard deviation is given by , 

s=SS/(n-1)=962/49=4.4309

Here , we want to test that the mean is 736 or not 

Here , we use the two-tailed t-test.

 

steps

Step by step

Solved in 2 steps

Blurred answer
Similar 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