F Test Statistic a. If s21 represents the larger of two sample variances, can the F test

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F Test Statistic

a. If s21 represents the larger of two sample variances, can the F test statistic ever be less than 1?

b. Can the F test statistic ever be a negative number?

c. If testing the claim that s21

 s22

, what do we know about the two samples if the test statistic F is very close to 1.

d. Is the F distribution symmetric, skewed left, or skewed right?

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Biostatistics For The Biological And Health Sciences

ISBN: 9780134039015

2nd Edition

Authors: Marc Triola, Mario Triola, Jason Roy

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