STA 210 Lecture Notes - Lecture 1: Confounding, Dependent And Independent Variables, Scatter Plot
11 Feb 2019
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Definitions: make sure you don"t memorize them, but be able to apply: confounding, placebo effect, response variable, explanatory variable, subjects, treatment, lurking variable, statistical significance, correlation, positive association, negative association, scatterplot, correlation coefficient: Sample multiple choice questions: have a look at the following table where we have classified all corrective lens wearers by sex and type. From the table, 11. 4% of female corrective lens wearers wear contact lenses. The corresponding percentage for males is: 2. 9%, 6. 3%, 6. 7%, none of the above, dr. stat"s library of literary classics includes issues of certain not-so-scholarly periodicals. The total number of issues of four such periodicals, together with the percentages of dr. stat"s entire library that they comprise, are as follows: One of the percentages in this table is incorrect. Which is it: 18. 6% (spider-man, 6. 2% (soldier of fortune, 3. 1% (wwf, 7. 0% (mad, a student reports that of a random sample of 200 college undergraduates, 37% were female and.
