As part of a statistics project, Charlie would like to collect data on household size in his city. To do so, he asks each person in his statistics class for the size of their household and reports the results of a simple random sample. However, this is not a simple random sample. Why? Charlie did not use any randomization; he took a convenience sample.Charlie did not use a random number table to randomize the order in which he collected the students' responses, so the sample cannot be random.In this investigation of household size, each household represents a case. Charlie incorrectly sampled individuals instead of households.Both (a) and (c) are correct.Answers (a), (b), and (c) are all correct.

Convenience sampling: Convenience sampling is a non-probability sampling method. The samples are…

Answered: As part of a statistics project,…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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As part of a statistics project, Charlie would like to collect data on household size in his city. To do so, he asks each person in his statistics class for the size of their household and reports the results of a simple random sample. However, this is not a simple random sample. Why?

Charlie did not use any randomization; he took a convenience sample.
Charlie did not use a random number table to randomize the order in which he collected the students' responses, so the sample cannot be random.
In this investigation of household size, each household represents a case. Charlie incorrectly sampled individuals instead of households.
Both (a) and (c) are correct.
Answers (a), (b), and (c) are all correct.

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