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Unformatted text preview: compare the grade point averages (GPAs) of male and female students majoring in Psychology. In this study A) Gender and GPA are both response variables. B) Gender and GPA are both explanatory variables. C) GPA is an explanatory variable and Gender is a response variable. D) Gender is an explanatory variable and GPA is a response variable. 9/15/2010 2 SOLUTIONS: 1. C) random sample 2. C) nonresponse bias 3. A) 16% 3.2% 4. A) Observational Study. 5. D) Gender is an explanatory variable and GPA is a response variable. Great Job Today Friday On to Probability to quantify uncertainty about our sample estimates. Practice HW due tonight 11 PM. First real HW 1 available tomorrow 8 AM. Tech problems? firstname.lastname@example.org Ch 2, 3, 4 full notes, Practice quiz questions and solutions on Ctools this weekend. Prelab Lesson 02 available later tonight. Complete before next weeks lab section....
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This note was uploaded on 12/31/2011 for the course STATS 250 taught by Professor Gunderson during the Winter '10 term at University of Michigan.
- Winter '10