week 3 quiz - 1. Question:

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1. Question: (TCO 1) What method of data collection would you use to collect data for a study where a political pollster  wishes to determine if his candidate is leading in the polls? Your Answer: use a simulation perform a an experiment take a census use sampling ( a subset of the population is obtained; Chapter 1 ) CORRECT Points Received: 5 of 5 2. Question: (TCO 2) There is a relationship between smoking cigarettes and getting emphysema. This statement  describes Your Answer: inferential statistics ( use probability to infer something about the population;  Chapter 1 ) CORRECT descriptive statistics Points Received: 5 of 5 3. Question: (TCO 2) The number of complaint letters received by the USPS in a given day are Your Answer: quantitative ( use numerical measurement; Ch 1 ) CORRECT qualitative Points Received: 5 of 5 4. Question: (TCO 1) To ensure customer satisfaction, every 5 th  phone call received by customer service will be  monitored. What sampling technique is used? Your Answer: random stratified systematic ( Systematic sample selects every kth element; Ch 1 ) CORRECT convenience cluster Points Received: 5 of 5 5. Question: (TCO 2) The average salary of all General Motors workers is $42,500. This number is a
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This note was uploaded on 09/07/2010 for the course MATH 221 taught by Professor Bethdodson during the Spring '10 term at DeVry Chicago.

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week 3 quiz - 1. Question:

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