Identify the sampling method used in each observational study: random, simple random, stratified, cluster, systematic, or convenience. Make sure your answers are legible and spelled correctly. To determine the average amount of money that drivers in a particular state spend on auto insurance, a pollster randomly selects 3 counties within the state. All drivers within those counties are selected for the study. To examine the commuting distances of students at University X, one class is randomly chosen for a study. To determine people’s preferences for different brands of ketchup, a pollster surveys 300 people at a supermarket, where he is doing his food shopping.

Identify the sampling method used in each observational study: random, simple random, stratified, cluster, systematic, or convenience. Make sure your answers are legible and spelled correctly. To determine the average amount of money that drivers in a particular state spend on auto insurance, a pollster randomly selects 3 counties within the state. All drivers within those counties are selected for the study. To examine the commuting distances of students at University X, one class is randomly chosen for a study. To determine people’s preferences for different brands of ketchup, a pollster surveys 300 people at a supermarket, where he is doing his food shopping.

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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