3. Classify the sampling method for each scenario as random, systematic, stratified or cluster a) A campaign manager asks every 10th person leaving a polling station to fill out a survey. b) A major car manufacturer randomly selects 50 dealerships across the country and gathers data on selling prices for all vehicles sold. c) As students enter a classroom, each is given a small piece of paper with a number from 1 to 6 written on it. Later the instructor rolls a die and those students with the same number are selected for the sample. A large company randomly selects two employees from each department to participate in a workplace study.
3. Classify the sampling method for each scenario as random, systematic, stratified or cluster a) A campaign manager asks every 10th person leaving a polling station to fill out a survey. b) A major car manufacturer randomly selects 50 dealerships across the country and gathers data on selling prices for all vehicles sold. c) As students enter a classroom, each is given a small piece of paper with a number from 1 to 6 written on it. Later the instructor rolls a die and those students with the same number are selected for the sample. A large company randomly selects two employees from each department to participate in a workplace study.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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