A survey firm is interested in dertermining the percentage of all Onslow County residents who own dogs. A surveyor stands outside PetSmart at 10am at Monday morning and asks shoppers as they pass by, "Do you own a dog?" The surveyor collects responses from the first 90 people. a. Define the population of this survey b. Define the sample. c. What sampling method was used? (Stratified, simple random, cluster, systematic, convenience) d. Would this survey be biased? Explain your reasoning and indicate who is overrepresentated and who is underrespresentated.
A survey firm is interested in dertermining the percentage of all Onslow County residents who own dogs. A surveyor stands outside PetSmart at 10am at Monday morning and asks shoppers as they pass by, "Do you own a dog?" The surveyor collects responses from the first 90 people. a. Define the population of this survey b. Define the sample. c. What sampling method was used? (Stratified, simple random, cluster, systematic, convenience) d. Would this survey be biased? Explain your reasoning and indicate who is overrepresentated and who is underrespresentated.
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 4E
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Question
A survey firm is interested in dertermining the percentage of all Onslow County residents who own dogs. A surveyor stands outside PetSmart at 10am at Monday morning and asks shoppers as they pass by, "Do you own a dog?" The surveyor collects responses from the first 90 people.
a. Define the population of this survey
b. Define the sample.
c. What sampling method was used? (Stratified, simple random, cluster, systematic, convenience)
d. Would this survey be biased? Explain your reasoning and indicate who is overrepresentated and who is underrespresentated.
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