10.23.- Using the data from Exercise 10.2, construct a 90% confidence interval for, identifies the FeCI3 treatment and Y the other. With a = 0.10, would the hypothesis of equality of variances be rejected? %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

Help with exercise 10.23

10.2.- In an experiment on the regeneration of hemoglobin in anemic rats, 2 treatments were
compared: ferric chloride (FeCI3) and pinto beans with iron. The results are summarized below:
Treatment umber of rats
Average
hemoglobin gain
(gm/100cc)
Standard deviation
FeC13 25
Pinto beans | 9
9.3
1.30
8.9
1.26
10.23.- Using the data from Exercise 10.2, construct a 90% confidence interval for, where X
identifies the FeCl3 treatment and Y the other. With a = 0.10, would the hypothesis of equality of
variances be rejected?
Transcribed Image Text:10.2.- In an experiment on the regeneration of hemoglobin in anemic rats, 2 treatments were compared: ferric chloride (FeCI3) and pinto beans with iron. The results are summarized below: Treatment umber of rats Average hemoglobin gain (gm/100cc) Standard deviation FeC13 25 Pinto beans | 9 9.3 1.30 8.9 1.26 10.23.- Using the data from Exercise 10.2, construct a 90% confidence interval for, where X identifies the FeCl3 treatment and Y the other. With a = 0.10, would the hypothesis of equality of variances be rejected?
Expert Solution
Formulae :

Formula for the confidence interval (C.I) for the ratio of the two population variances is given by

           Statistics homework question answer, step 1, image 1

Where Fα/2 (n1 -1 , n2 -1) is the F table value 

           n1 & n2 are the sample sizes.

 

 

steps

Step by step

Solved in 2 steps with 2 images

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