(a)
To find out is this an experiment or not and explain why.
(a)
Answer to Problem 6.2E
No, this is not an experiment.
Explanation of Solution
No, this is not an experiment. An experiment deliberately imposes some treatment on individuals in order to observe their responses. In this case the acceptance of applicants was not influenced by the researchers, thus the study is not an experiment.
(b)
To identify the explanatory and response variables.
(b)
Answer to Problem 6.2E
Explanatory variable: living in public housing.
Response variable: the family stability.
Explanation of Solution
The explanatory variable is the variable that is changed to determine its effect and thus is in this case is the living in public housing.
The response variable is the variable that responds to changes in the explanatory variable and thus is in this case is the family stability.
(c)
To identify does this study contains confounding that may prevent valid conclusion on the effects of living in public housing and explain why.
(c)
Answer to Problem 6.2E
Yes.
Explanation of Solution
Yes,this study contains confounding that may prevent valid conclusion on the effects of living in public housing because the income might influence the explanatory and response variable.
Chapter 6 Solutions
Statistics Through Applications
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