Concept explainers
To identify: units or subjects of experimentation, explanatory variables, treatments and response variables
Explanation of Solution
Subjects: Randomly chosen people.
Explanatory variables: interviewer information, if caller got survey results.
Treatments: 6 variations of caller information and survey results are given. These 6 treatments are as follows:
1) No survey results were given by name and caller.
2) University identity and caller findings did not offer.
3) No survey results were given by name and university and recipient.
4) Including the name and sender to submit the details of the survey.
5) University Name and caller for survey observations.
6) Name, university and caller volunteered to submit the results of the survey.
Response variable: Whether or not an interview was done.
Chapter 4 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
STATS:DATA+MODELS-W/DVD
Statistical Reasoning for Everyday Life (5th Edition)
Statistics for Psychology
Introductory Statistics (10th Edition)
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