Which of the following are the examples of stratified sampling? a) Choose every 11th passenger as they board the plane. b) Using the boarding list of passengers, that are on a plane, randomly choose 5 peoples flying first class,9 peoples flying business class, and 8 peoples flying economy. c) Choose a random sample of 14 male students and 14 female students from a large chemistry class. 1) a,b 2) a,b,c 3) b,c 4) a,c

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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Which of the following are the examples of stratified sampling?

a) Choose every 11th passenger as they board the plane.

b) Using the boarding list of passengers, that are on a plane, randomly choose 5 peoples flying first class,9 peoples flying business class, and 8 peoples flying economy.

c) Choose a random sample of 14 male students and 14 female students from a large chemistry class.

1) a,b

2) a,b,c

3) b,c

4) a,c 

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