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how many pets they have (with options "none," "only one, 0 people without hypertension, 45% had only one pet. The same number of peop only one pet and more than one pet had hypertension. And of the 8 people with m one pet, 75% did not have hypertension. a. Create a contingency table to display this data. b. What proportion the adults with at least one pet had hypertension? c. Are having hypertension and having no pets independent events for this sa Justify your answer.

how many pets they have (with options "none," "only one, 0 people without hypertension, 45% had only one pet. The same number of peop only one pet and more than one pet had hypertension. And of the 8 people with m one pet, 75% did not have hypertension. a. Create a contingency table to display this data. b. What proportion the adults with at least one pet had hypertension? c. Are having hypertension and having no pets independent events for this sa Justify your answer.

MATLAB: An Introduction with Applications
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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Does having pets help reduce the rate of hypertension in adults? To attempt to answer this question, researchers asked a sample of 50 adults whether or not they have hypertension and how many pets they have (with options "none," "only one," or "more than one"). Of the 40 people without hypertension, 45% had only one pet. The same number of people with only one pet and more than one pet had hypertension. And of the 8 people with more than one pet, 75% did not have hypertension. a. Create a contingency table to display this data. b. What proportion the adults with at least one pet had hypertension? c. Are having hypertension and having no pets independent events for this sample? Justify your answer. d. List one possible confounding variable for this analysis and explain what impact it might have on the variables of interest.
Transcribed Image Text:Does having pets help reduce the rate of hypertension in adults? To attempt to answer this question, researchers asked a sample of 50 adults whether or not they have hypertension and how many pets they have (with options "none," "only one," or "more than one"). Of the 40 people without hypertension, 45% had only one pet. The same number of people with only one pet and more than one pet had hypertension. And of the 8 people with more than one pet, 75% did not have hypertension. a. Create a contingency table to display this data. b. What proportion the adults with at least one pet had hypertension? c. Are having hypertension and having no pets independent events for this sample? Justify your answer. d. List one possible confounding variable for this analysis and explain what impact it might have on the variables of interest.
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