Question 7

Subject Nausea and Vomiting?

1 0

2 0

3 1

4 0

5 0

6 0

7 0

8 0

9 0

10 0

11 0

12 0

13 0

14 1

15 1

16 1

17 0

18 0

19 1

20 0

What is the estimated 95% confidence interval (CI) of the proportion of schoolchildren developing nausea and vomiting following holiday parties?

Please note the following: 1) 0 and 1 are defined as no and yes, respectively, which is a typical coding scheme in Public Health; 2) you might calculate a CI that is different from any of the multiple choice options listed below due to rounding differences, therefore select the closest match;

Select one:

a. 0.060 to 0.440

b. 0.053 to 0.387

c. 0.051 to 0.473

d. 0.055 to 0.510

Question 2

A research study wishes to examine the proportion of hypertensive individuals among three different groups of exercises: marathon runners, yoga, and CrossFit. Of the 78 marathon runners, 14 are hypertensive. Of the 63 yoga practitioners, 6 are hypertensive. And there are 16 hypertensive subjects among the 54 CrossFit athletes. What type of test statistic do you need to run for this type of analysis?

Select one:

a. Chi-Square Test of Independence

b. Chi-Square Goodness of Fit

c. Z-test

d. T-test

e. F-test