week 3 quiz 2023 100% correctly answered
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 5th 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
Written for
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Devry University-Chicago
- Course
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STATISTICS Math 221
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- March 17, 2023
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Subjects
- math 221
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week 3 quiz 2023 100 correctly answered