Determine the sampling methods used in each of the scenarios below i. Select every 9th candy bar from a production line to check its weight ii. Group t-shirts by colors and select t-shirts at random from within each group in proportion to the number of t-shirts that make up that group. iii. Use random number tables to select 15 students from a class.
Determine the sampling methods used in each of the scenarios below i. Select every 9th candy bar from a production line to check its weight ii. Group t-shirts by colors and select t-shirts at random from within each group in proportion to the number of t-shirts that make up that group. iii. Use random number tables to select 15 students from a class.
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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Determine the sampling methods used in each of the scenarios below
i. Select every 9th candy bar from a production line to check its weight
ii. Group t-shirts by colors and select t-shirts at random from within each group in
proportion to the number of t-shirts that make up that group.
iii. Use random number tables to select 15 students from a class.
iv. Select 8 white cars, 5 blue and 3 red cars.
v. Name one advantage of the sampling method in ii)
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v. Select 8 white cars, 5 blue and 3 red cars.
v. Name one advantage of the sampling method in ii)
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iv. Select 8 white cars, 5 blue and 3 red cars.
v. Name one advantage of the sampling method in ii)
Solution
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