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A group of college students believes that herbal tea has remarkable powers. To test this belief, they make weekly visits to a local nursing home, where they visit with the residents and serve them herbal tea. The nursing-home staff reports that after several months, many of the residents are healthier and more cheerful. We should commend the students for their good deeds but doubt that herbal tea helped the residents. Identify the explanatory and response variables in this informal study. The response variable is the and the explanatory variable is the

A group of college students believes that herbal tea has remarkable powers. To test this belief, they make weekly visits to a local nursing home, where they visit with the residents and serve them herbal tea. The nursing-home staff reports that after several months, many of the residents are healthier and more cheerful. We should commend the students for their good deeds but doubt that herbal tea helped the residents. Identify the explanatory and response variables in this informal study. The response variable is the and the explanatory variable is the

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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A group of college students believes that herbal tea has remarkable powers. To test this belief, they make weekly visits to a local nursing home, where they visit with the residents and serve them herbal tea. The nursing-home staff reports that after several months, many of the residents are healthier and more cheerful. We should commend the students for their good decds but doubt that herbal tea helped the residents. Identify the explanatory and response variables in this informal study. The response variable is the and the explanatory variable is the What lurking variable may account for this observed association? O A lurking variable may be the consumption of herbal tea by the nursing-home staff because this variable is not measured but the student visits likely influence the beverage drinking of the staff. O A lurking variable may be the consumption of herbal tea by the nursing-home residents because the students are testing whether this variable causes the happiness/health outcome. O A lurking variable may be the amount of medication needed to be administered to nursing-home residents given the happiness/health outcome, because this variable represents a likely additional outcome that is not being reported for the study. A lurking variable may be the social interaction from the student visits because it is a variable not measured that would influence the cheeriness/health outcome.
Transcribed Image Text:A group of college students believes that herbal tea has remarkable powers. To test this belief, they make weekly visits to a local nursing home, where they visit with the residents and serve them herbal tea. The nursing-home staff reports that after several months, many of the residents are healthier and more cheerful. We should commend the students for their good decds but doubt that herbal tea helped the residents. Identify the explanatory and response variables in this informal study. The response variable is the and the explanatory variable is the What lurking variable may account for this observed association? O A lurking variable may be the consumption of herbal tea by the nursing-home staff because this variable is not measured but the student visits likely influence the beverage drinking of the staff. O A lurking variable may be the consumption of herbal tea by the nursing-home residents because the students are testing whether this variable causes the happiness/health outcome. O A lurking variable may be the amount of medication needed to be administered to nursing-home residents given the happiness/health outcome, because this variable represents a likely additional outcome that is not being reported for the study. A lurking variable may be the social interaction from the student visits because it is a variable not measured that would influence the cheeriness/health outcome.
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