A researcher notes that there seems to be a difference in the prevalence of diabetics who smoke and consume diets hign in processed food and the prevalence of diabetics who do not smoke and do not consume diets high in processed foods. Use the appropriate hypothesis to test for independence of two independent variables presented here at the 5% significance level to ensure comfounding has not influcenced the study's results. Then interpret your response. Diet Low in Processed Foods Normal BP High BP Total College Education 124 55 179 High School Education 69 152 221 Total 193 207 400 Diet High in Processed Foods Normal BP High BP Total College Education 64 85 149 High School Education 98 153 251 Total 162 238 400 Multiple choice answers: The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can accept H0 at the 5% level and reject H1, which states that smoking status and the amount of processed foods in an individual’s diet are not independent of one another. The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can accept H0 at the 5% level and reject H1, which states that smoking status and the incidence of diabetes are not independent of one another. The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can reject H0 at the 5% level in favor of H1, which states that smoking status and the incidence of diabetes are not independent of one another. The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can reject H0 at the 5% level in favor of H1, which states that smoking status and the amount of processed foods in an individual’s diet are not independent of one another.

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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Question

A researcher notes that there seems to be a difference in the prevalence of diabetics who smoke and consume diets hign in processed food and the prevalence of diabetics who do not smoke and do not consume diets high in processed foods. Use the appropriate hypothesis to test for independence of two independent variables presented here at the 5% significance level to ensure comfounding has not influcenced the study's results. Then interpret your response.

	Diet Low in Processed Foods
Normal BP	High BP	Total
College Education	124	55	179
High School Education	69	152	221
Total	193	207	400
	Diet High in Processed Foods
Normal BP	High BP	Total
College Education	64	85	149
High School Education	98	153	251
Total	162	238	400

Multiple choice answers:

The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can accept H0 at the 5% level and reject H1, which states that smoking status and the amount of processed foods in an individual’s diet are not independent of one another.

The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can accept H0 at the 5% level and reject H1, which states that smoking status and the incidence of diabetes are not independent of one another.

The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can reject H0 at the 5% level in favor of H1, which states that smoking status and the incidence of diabetes are not independent of one another.

The chi-square value of 158.652 is higher than the chi-square value of 3.84, therefore we can reject H0 at the 5% level in favor of H1, which states that smoking status and the amount of processed foods in an individual’s diet are not independent of one another.

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