table below shows a sample of waiting umes (in heart transplant two age groups. At a- that the vànances of tne times differ between tne two age groups? + 18-34 35-49 156 172 166 170 163 211 194 209 210 196 210 200 a) Determine the hypotheses. Let o? be the variance for the 18-34 group and let o? be the variance for the 35-49 group. Choose the correct answer below.
table below shows a sample of waiting umes (in heart transplant two age groups. At a- that the vànances of tne times differ between tne two age groups? + 18-34 35-49 156 172 166 170 163 211 194 209 210 196 210 200 a) Determine the hypotheses. Let o? be the variance for the 18-34 group and let o? be the variance for the 35-49 group. Choose the correct answer below.
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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The table below shows a sample of waiting times (in days) for a heart transplant for two age groups. At α=0.05, can you conclude that the variances of the waiting times differ between the two agegroups?
Transcribed Image Text:The table below shows a sample of waiting times (in days) for a heart transplant for two age groups. At a = 0.05, can you conclude that the variances of the waiting times differ between the two age
groups?
18-34
35-49
156
172
166
170
163
211
194
209
210
196 210
200
(a) Determine the hypotheses. Let o? be the variance for the 18-34 group and let o? be the variance for the 35-49 group. Choose the correct answer below.
O A. Ho: of so?
Hại of >o?
B. Họ: o + o?
Hai of =0?
O D. Ho: o
Hai of #o
OC. Ho: o? 20
Hại of <o?
=
(b) Determine the critical value.
Fo =0
(Round to two decimal places as needed.)
What is the rejection region for this F-test?
O A. - F, <F<F.
O B. F< - Fo or F >Fo
O C. F>F,
O D. F<F,
(c) Compute the F test statistic.
F =
(Round to two decimal places as needed.)
(d) Reach a decision.
V Ho. There is
V evidence to conclude that the variances of the waiting times differ between the two age groups.
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