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Bias and Sampling Worksheet - eNetLearning

A Name: _____Bias and Sampling WorksheetMultiple ChoiceIdentify the choice that best completes the statement or answers the 1. A large corporation wants to find out which benefits plan its employees would prefer. Which procedure would be most likely to obtain a statistically unbiased sample? a random sample of employees from a list of all all employees to indicate their choices by suggestion boxes at random locations in the company s plant and a group with one member from each department and record the preferences of these employees____ 2. A university polled 500 of its students, randomly selecting them proportional to the number of students enrolled in each degree program.

Bias and Sampling Worksheet Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. A large corporation wants to find out which benefits plan its employees would prefer. Which procedure would be most likely to obtain a statistically unbiased sample?

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Transcription of Bias and Sampling Worksheet - eNetLearning

1 A Name: _____Bias and Sampling WorksheetMultiple ChoiceIdentify the choice that best completes the statement or answers the 1. A large corporation wants to find out which benefits plan its employees would prefer. Which procedure would be most likely to obtain a statistically unbiased sample? a random sample of employees from a list of all all employees to indicate their choices by suggestion boxes at random locations in the company s plant and a group with one member from each department and record the preferences of these employees____ 2. A university polled 500 of its students, randomly selecting them proportional to the number of students enrolled in each degree program.

2 Classify the Sampling 3. To do market research, a telemarketing firm randomly selected 1000 names from a store s database and contacted them. Classify the Sampling 4. To get reactions about a particular new car, readers of a car magazine were asked to mail in their answers to a survey. Classify this Sampling 5. When a random starting point is chosen, followed by every nth individual, this Sampling method is random random random random sampling____ 6. Systematic random Sampling is used to interview residents in 25% of 80 apartments in a building. The Sampling interval would 7.

3 A simple random sample of 200 people is selected from the 1230 male students in a university psychology course to take part in a psychological test. The population being considered taking part in the students enrolled in a university psychology course____ 8. Which question is unbiased? the school board have the right to enforce a dress code? you think the mayor is doing a good job in spite of his questionable character? you prefer daytime or evening television programming? you think the government should be allowed to cut down trees willy-nilly to build a new highway?____ 9. Which question is biased?

4 You prefer daytime or evening television programing? there be a school dress code? you prefer news or mindless sitcoms? you think a new highway should be built?____ 10. When a research company polls residents about their voting intentions, new Canadians are under-represented. This is an example of bias____ 11. A radio station asks its listeners to call in to answer a survey question on spending by politicians. This is an example bias____ 12. In an experiment, the heights of participants was measured by two different laboratory assistants. This may lead to biasMatchingMatch these terms with the descriptions sample____ 13.

5 An easily accessible sample is 14. Two or more levels of random Sampling are 15. The population is invited to 16. Samples are randomly selected from representative groups. ID: ABias and Sampling WorksheetAnswer SectionMULTIPLE CHOICE 1. ANS: A PTS: 1 DIF: 1 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: Sampling 2. ANS: B PTS: 1 DIF: 1 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: Sampling 3. ANS: A PTS: 1 DIF: 1 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: Sampling 4. ANS: E PTS: 1 DIF: 1 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: Sampling 5.

6 ANS: D PTS: 1 DIF: 1 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: Sampling 6. ANS: A PTS: 1 DIF: 2 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: Sampling 7. ANS: D PTS: 1 DIF: 1 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: population 8. ANS: C PTS: 1 DIF: 1 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: bias 9. ANS: C PTS: 1 DIF: 1 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: bias 10. ANS: C PTS: 1 DIF: 1 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: bias 11.

7 ANS: A PTS: 1 DIF: 1 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: bias 12. ANS: D PTS: 1 DIF: 1 REF: ApplicationOBJ: Section LOC: TOP: Organization of Data for AnalysisKEY: bias ID: AMATCHING 13. ANS: D PTS: 1 DIF: 2 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: Sampling 14. ANS: B PTS: 1 DIF: 2 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: Sampling 15. ANS: C PTS: 1 DIF: 2 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: Sampling 16.

8 ANS: A PTS: 1 DIF: 2 REF: Knowledge & Understanding OBJ: Section LOC: : Organization of Data for Analysis KEY: Sampling

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