# College Paper Lab

stats pt 2- College Paper Lab | collegepaperslab.com

An eight-year cohort study of 3,454 initially disease-free volunteer men and women (ages around 60 years or more) recorded the extent of physical activity the participants engaged in and whether or not they were showing signs of healthy aging. The results are given in the table below.

 Inactive Moderate Vigorous ROW TOTAL Healthy aging 55 345 265 665 Unhealthy aging 598 1347 844 2789 COLUMN TOTAL 653 1692 1109 n = 3454

Answer the following questions based on this information.

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What is the explanatory and response variables?

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What is the null hypothesis?

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What is the alternative hypothesis?

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Are the validity conditions satisfied?

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The test statistic

${}^{}$

Ï‡

2

=

66.050

and the p-value = 0. Which of the following statements are true. Select all that are true.

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Select all of the following statements which are true.

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Which of the following describes the consequences if the researchers had made a type I error?

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Which of the following describes the consequences if the researchers had made a type II error?