samanthamunevar7218

13.08.2021 • 

Mathematics

The athletic director at a large university compared the proportions of freshmen (1st year students) and seniors (4th year students) who exercise
regularly. She analyzed the data and found the Z-statistic for the
difference between the population proportions to be 2.43 with a P-value
of 0.015. The level of significance was set at 0.05.
(A) State the conclusion she can draw about the difference between the
two population proportions.

Ответ:

xelynncaldera

03.02.2021

Mathematics

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1. TRUE
2. false - compare to 3.
3. TRUE - compare to 4.
4. TRUE - the sum of exernal angles of any convex polygon is 360°
5. false - compare to 4.
6. false - compare to 7.
7. TRUE - the angles are supplementary
8. false - compare to 4.

The true statements are 1, 3, 4, 7.

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