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Unformatted text preview: Name_______________________________ Stat 3011 Spring 2011 Introduction to Statistics Final Exam This exam is closed book. You are allowed a calculator and two 8 ½ inch by 11 inch pieces of paper with notes. All other materials must be put away. Cell phones must be off. You have one hour for this exam. Problem 1 (25 points) Below are five hypothesis tests, numbered 15, and ten formulas for the degrees of freedom, lettered aj. For each of the five hypothesis tests listed below, choose the option(s), aj, that describe the associated degrees of freedom. Note that some options may be used more than once, and some may not be used at all. 1. χ 2 test for goodnessoffit 2. ttest of the regression slope 3. χ 2 test for independence 4. Two sample t test 5. One sample t test Options for degrees of freedom: a) # in sample – 1 b) # in sample – 1 for the larger group c) # in sample – 1 for the smaller group d) # in sample – 2 e) # categories/groups – 1 f) # categories/groups for variable 1 – 1 g) # categories/groups for variable 2 – 1 h) (# categories/groups for variable 1 – 1)*(# categories/groups for variable 2 – 1) i) (# categories/groups for variable 1)*(# categories/groups for variable 2 ) –1 j) # in sample – # categories/groups Problem 2...
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This note was uploaded on 02/28/2012 for the course ECON 111 taught by Professor Aaa during the Summer '11 term at UIBE.
 Summer '11
 aaa

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