Test_1_marking_scheme[1]

Test_1_marking_scheme[1] - Answer for MC Questions: (2...

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Unformatted text preview: Answer for MC Questions: (2 marks for each correct answer) 1. b 2. b 3. d 4. e 5. c 6. a Solutions to other Questions [8 MARKS] 1. PROBLEM: An auto manufacturer want to know the average distance cars registered in Ontario go between oil changes. PLAN: A gasoline company with service outlets across Ontario is asked to collect data on the distance driven since the last oil change for all cars licensed in Ontario whose oil they change during the last week in February. If the odometer reading at the last oil change is not available, a car will not be included in the sample. A. With reference to this problem: a. What is the target population? All cars registered in Ontario. (1 mark) b. What is the target unit? Individual cars (1 mark) c. What is the attribute of interest? The average distance cars registered in Ontario go between oil changes. (1 mark) d. What is the response variate? The distance an individual car goes between 2 consecutive oil changes. (1 mark) e. What is the aspect of the problem?...
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This note was uploaded on 10/21/2010 for the course MATHEMATIC stats taught by Professor Various during the Spring '10 term at Waterloo.

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Test_1_marking_scheme[1] - Answer for MC Questions: (2...

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