An instructor has two sections, A and B, in a particular subject. Section A has 18 students while section B has 25 students. On

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An instructor has two sections, A and B, in a particular subject. Section A has 18 students while section B has 25 students. On

the same examination, although there was no significant difference in the mean grades, section A had a standard deviation, sA of 9 while section B had a standard deviation, sB of 12. Can we conclude at the 0.01 level of significance that the variability of section B is greater than that of A?

Mathematics

1 answer:

ehidna [41] · Answer 1 · 2022-09-14T21:16:14+03:00

Answer:

An instructor has two sections, A and B, in a particular subject. Section A has18students while section B has 25 students. On the same examination, although there was no significant difference in the mean grades, section A had a standard deviation, sA of 9 while section B had a standard deviation, sB of 12.

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