Answered: Matt Gaetz, a health educator, wants to…

Name: Matt Gaetz, a health educator, wants to evaluate the effect of a denta
Uploaded: 2024-03-20T07:07:12.000Z
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Description: Matt Gaetz, a health educator, wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Matt Gaetz, a health educator, wants to evaluate the effect of a dental film on the frequency with which children brush their teeth. A random selection of 8 children are used for the experiment. First, a baseline of the number of times the children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data are recorded.

Subject 1 2 3 4 5 6 7 8

After Film 28 29 25 30 25 27 28 24

Baseline 25 28 22 30 26 24 25 22

a. What is the null hypothesis?

b. What is the alternative hypothesis

c. What is your conclusion, using an alpha of 0.05 (2 tailed)?

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