A researcher wants to determine if people who watch 2 or more hours of television a day are happier than those who don't watch television. The researcher randomly picks 20 people. Half were asked to watch television for at least 2 hours a day for 2 weeks and the other half were asked not to watch television for 2 weeks. What type of research is this? o an observational study O a census O a survey O an experiment
A researcher wants to determine if people who watch 2 or more hours of television a day are happier than those who don't watch television. The researcher randomly picks 20 people. Half were asked to watch television for at least 2 hours a day for 2 weeks and the other half were asked not to watch television for 2 weeks. What type of research is this? o an observational study O a census O a survey O an experiment
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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