STAT 201 Study Guide - Midterm Guide: Tape Measure, American Psychological Association, Statistical Significance
14 Feb 2017
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He does an observational study of 50 students at a&m. He asks them their age, gender, classification (freshman, sophomore, junior, senior), major, gpa, and hometown. He interviews 50 students at texas a&m and asks them how long each of them spend studying. What is the sample: population: college students, sample: 50 students at texas a&m, what is an observational study, a study that observes individuals and measures variables of interest but does. He believes that eating fish will cause a person to have a higher iq. To test this, he takes 100 subjects and randomly assigns them into 2 groups. The first group is instructed to eat fish at least. The second group is instructed to not eat any fish. After 5 weeks, he measures the iq"s of all the subjects. What are the individuals and the variables in this study: this is an experiment, individuals: people, variables: iq.
