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
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
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Question
Help with exercise 10.23

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
Where Fα/2 (n1 -1 , n2 -1) is the F table value
n1 & n2 are the sample sizes.
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