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

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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.

 

 

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