Two investigators study the income of a group of persons by the method of sampling. Following results were obtained by them: Investigation Poor Middlc Class Well-to-do Total A 160 30 10 200 140 120 40 300 Total 300 150 50 500 Show the sampling technique of at least one of the investigators is suspected.

Two investigators study the income of a group of persons by the method of sampling. Following results were obtained by them: Investigation Poor Middlc Class Well-to-do Total A 160 30 10 200 140 120 40 300 Total 300 150 50 500 Show the sampling technique of at least one of the investigators is suspected.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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