Answered: Determine whether the type of sampling…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Determine whether the type of sampling used for each problem is INDEPENDENT or RELATED.

Transcribed Image Text:Determine whether the type of sampling used for each problem is INDEPENDENT or RELATED. a. To test the wear characteristics of two tire brands, A and B. Brand A is mounted on 50 cars and Brand B on 50 other cars. b. On each car, one Brand A tire is mounted on one side in the rear, while a Brand B tire is mounted on the other side. Which side gets which is determined by flipping a coin. The same procedure is used on the front. c. The principal of a school wishes to determine if the Grade 6 boys are better in mathematics than the Grade 6 girls. A random sample of boys were selected. Then a random sample of girls were selected. All of the students in the two random samples were asked to take a standardized test in mathematics and their scores were determined. d. A police department wants to assess the effects of an obvious radar trap on the speeds of cars. Ten cars are randomly selected on a highway, and their speeds are measured just before a radar trap comes into view and right after they pass the obvious radar trap.

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