A sample tested the claim that heights of men and heights of women have difference variances, with s 7.43793 cm for women and 7.14502 cm for men. The sample sizes are n, = 147 and n2 = 153. When using the F test with these data, is it correct to %3D reason that there is no need to check for normality because n, > 30 and n, > 30? Choose the correct answer below. O A. Yes. The F test has a requirement that samples be from normally distributed populations, but this requirement can be ignored for large samples (n, and n2 greater than 30). O B. No. There is no need to check for normality regardless of the sample size. There is no normality requirement for the F test. OC. No. The F test has a requirement that samples be from normally distributed populations, regardless of how large the samples are. O D. No. There is no need to check for normality as long as n, 2 10 and n2 2 10.

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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A sample tested the claim that heights of men and heights of women have difference variances, with s =7.43793 cm for women
and 7.14502 cm for men. The sample sizes are n, = 147 and n, = 153. When using the F test with these data, is it correct to
reason that there is no need to check for normality because n, > 30 and n, > 30?
Choose the correct answer below.
O A. Yes. The F test has a requirement that samples be from normally distributed populations, but this requirement can be
ignored for large samples (n, and n2 greater than 30).
O B. No. There is no need to check for normality regardless of the sample size. There is no normality requirement for the F
test.
OC. No. The F test has a requirement that samples be from normally distributed populations, regardless of how large the
samples are.
O D. No. There is no need to check for normality as long as n, 2 10 and n, 2 10.
Click to select your answer.
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Transcribed Image Text:A sample tested the claim that heights of men and heights of women have difference variances, with s =7.43793 cm for women and 7.14502 cm for men. The sample sizes are n, = 147 and n, = 153. When using the F test with these data, is it correct to reason that there is no need to check for normality because n, > 30 and n, > 30? Choose the correct answer below. O A. Yes. The F test has a requirement that samples be from normally distributed populations, but this requirement can be ignored for large samples (n, and n2 greater than 30). O B. No. There is no need to check for normality regardless of the sample size. There is no normality requirement for the F test. OC. No. The F test has a requirement that samples be from normally distributed populations, regardless of how large the samples are. O D. No. There is no need to check for normality as long as n, 2 10 and n, 2 10. Click to select your answer. 19 MacBook Pro -> a Search securyBrowse esc @ # $ % & 1 2 3 4 6 Q W E R I
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