Determine which type of sampling technique is used. Determine if the sample is biased or unbiased. A local police department sets up a roadblock to determine if drivers have a valid license and insurance in their community. They stop every third car at the road block to check. 41. Identify the sampling technique used. 42. Is the sample biased or unbiased? A coach at a high school wants to know how much time per week students at the school spend exercising. He divides the student population by gender and randomly selects 50 girls and 50 boys to survey. 43. Identify the sampling technique used. 44. Is the sample biased or unbiased? Choices for 41-44: A) Biased E) Unbiased B) Systematic sample AB) Convenience sample C) Simple random sample AC) Voluntary response sample D) Stratified sample
Determine which type of sampling technique is used. Determine if the sample is biased or unbiased. A local police department sets up a roadblock to determine if drivers have a valid license and insurance in their community. They stop every third car at the road block to check. 41. Identify the sampling technique used. 42. Is the sample biased or unbiased? A coach at a high school wants to know how much time per week students at the school spend exercising. He divides the student population by gender and randomly selects 50 girls and 50 boys to survey. 43. Identify the sampling technique used. 44. Is the sample biased or unbiased? Choices for 41-44: A) Biased E) Unbiased B) Systematic sample AB) Convenience sample C) Simple random sample AC) Voluntary response sample D) Stratified sample
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
Related questions
Question
41,42,43,44
Transcribed Image Text:Determine which type of sampling technique is used. Determine if the sample is biased or
unbiased.
A local police department sets up a roadblock to determine if drivers have a valid license and
insurance in their community. They stop every third car at the road block to check.
41. Identify the sampling technique used.
42. Is the sample biased or unbiased?
A coach at a high school wants to know how much time per week students at the school spend
exercising. He divides the student population by gender and randomly selects 50 girls and 50
boys to survey.
43. Identify the sampling technique used.
44. Is the sample biased or unbiased?
Choices for 41-44:
A) Biased
E) Unbiased
B) Systematic sample
AB) Convenience sample
C) Simple random sample
AC) Voluntary response sample
D) Stratified sample
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