9:9Lecture Activity 2.0 fa2019 copy.docx - Statistics 200...

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Statistics 200: Lecture Activity 2.0 (Review of Chapter 1)Learning objectives:All from 1.1, 1.2 and 1.3Activity 1: Student SurveyIn our class survey...1.The cases are: Students in STAT2002.Classify the variables as nominal, ordinal, discrete, or continuous:a.Days drinking at least one beverage with caffeine i.Ordinal b.Instructori.Nominal c.Minutes to get ready in the morningi.continuousd.Cell phone brandi.Nominal e.Number of Instagram followersi.discretef.Minutes per day on Instagrami.discrete?3.Is the survey an observational study or randomized experiment?a.Observational 4.What bias is possible in our student survey? Discuss all that apply.a.Context, 5.If we wanted to extend our results to all PSU students, thena.The sample is b.The population is6.Consider the following research questions that can be answered using our student survey and identify the explanatory variable and the response variable.a.Is there a difference in the average number of Instagram followers for those who attended the same high school compared to those who did not attend the same high school for their entire high school experience?
b.

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