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A sample tested the claim that heights of men and heights of women have difference? variances, with s=7.41054 cm for women and 7.15796 cm for men. The sample sizes are n1 =144 and n2 =158. When using the F test with these? data, is it correct to reason that there is no need to check for normality because n1 >30 and n2 >?30?
What is the correct answer below.
A.No. The F test has a requirement that samples be from normally distributed? populations, regardless of how large the samples are.
B.No. There is no need to check for normality regardless of the sample size. There is no normality requirement for the F test.
C. No. There is no need to check for normality as long as n1 ≥10 and n2 ≥10.
D.Yes. The F test has a requirement that samples be from normally distributed? populations, but this requirement can be ignored for large samples ?(n1 and n2 greater than? 30).
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