HW 1 Answer Key

HW 1 Answer Key - PSC 103B Statistical Analysis of...

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PSC 103B Statistical Analysis of Psychological Data Homework #1 1. Populations vs. Samples (1.5 points) a. Under what conditions would the entire student body of UC Davis be considered a population? The entire student body of UC Davis would be considered a population under any circumstances in which you want to generalize only to the student body of UC Davis. b. Under what conditions would the entire student body of UC Davis be considered a sample? Is this sample random? When you want to generalize or make inferences about a larger population of students (all U.S. students, for example), then the student body of UC Davis would be considered a sample. No, this is not a random sample. Not all college students are equally likely to be selected in this sample. c. Why is this population/sample distinction important? It is important to understand these concepts when formulating an experiment and also when writing one’s findings. It helps to make clear who is being studied and where the subjects come from. More importantly, it helps to make clear where the findings can be generalized to. 2.
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HW 1 Answer Key - PSC 103B Statistical Analysis of...

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