Preparation%20for%20Test2%20S11

# Preparation%20for%20Test2%20S11 - Preparation for Test2...

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Preparation for Test2 Test2 has been placed on Thursday, April 7 . Duration - 75min INSTRUCTIONS FOR Test 2 1. Don’t be late! Try to be in your hall 5 minutes before the beginning of the exam 2. Don’t forget to bring: penpenpen (bring plenty of pens in case you run out of ink, don’t use red pen for writing ), calculator calculator calculator calculator ! ( you will not be allowed to use mobile phones as a calculator ). This examination is close book (necessary formulas and tables will be attached to your exam papers) You may use only your own tools (calculator, etc.). No tools can be shared by students. 3. You may work on any part of the test at any time during the allowed time period of 75 minutes. Show all your work. Answers without supporting calculations or explanations receive zero credit! Dissatisfactions, like “I know all this, but forgot to write it” will not be accepted. All answers must be clearly indicated. All work must be done on the pages provided with the exam. No attachments will be accepted. 4. KIMEP exam rules apply. Talking, looking at other students' papers, sharing of anything (information or physical items), using unauthorized notes or tools is considered as cheating. Any cheating results in zero points on exam and in disciplinary action .

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Contents of the Test 2 1. Lecture 7  Probability distribution of sample means. Confidence Interval for a Population Mean. ( Large-Sample, z -statistic). 2. Lecture 8  Confidence Interval for a Population Proportion. (Large-Sample, z -statistic) 3.  Lecture 10  Test of Hypothesis about a Population Mean . ( Large-Sample, z -statistic) 4.  Lecture 11  Comparing Two Population Means: Independent Sampling (Small Samples, t -statistic) 5.  Lecture 12  Comparing Two Population Variances: Independent Sampling. F -statistic. 6.  Lecture 14  Testing Category Probabilities: One-Way Table. 2 χ statistic
SAMPLE PROBLEMS 1. In order to study consumer preferences for health care reform , researchers surveyed 500 households . Heads of household were asked whether they are in favor of, neutral about, or opposed to a national health insurance program in which all citizens are covered and costs are paid by taxes. The 434 useable responses are summarized in the table.

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## This note was uploaded on 03/11/2012 for the course FIN FIN 3230 taught by Professor Petrivanov during the Spring '12 term at Kazakhstan Institute of Management, Economics and Strategic Research.

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Preparation%20for%20Test2%20S11 - Preparation for Test2...

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