Lesson 4.2 - Sampling Methods and bias
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the purpose of randomly selecting samples?
Back
To reduce bias.
Tags
CCSS.HSS.IC.B.3
2.
FLASHCARD QUESTION
Front
What sampling method is used when interviewing the first 30 students who enter the school in the morning?
Back
Convenience sampling.
Tags
CCSS.HSS.IC.B.3
3.
FLASHCARD QUESTION
Front
If a company randomly selects 25 DVDs from a total of 1500 to test them, is this sampling method biased or unbiased?
Back
Unbiased.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
4.
FLASHCARD QUESTION
Front
If the first 100 people at the park on Thursday were asked if dogs should be off leashes, is this sampling method biased or unbiased?
Back
Unbiased.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
5.
FLASHCARD QUESTION
Front
What sampling method does a teacher use when she selects the first five students who raise their hands to know the average time spent on homework?
Back
Voluntary Response.
Tags
CCSS.HSS.IC.B.3
6.
FLASHCARD QUESTION
Front
Define 'sampling bias'.
Back
Sampling bias occurs when the sample is not representative of the population, leading to skewed results.
Tags
CCSS.7.SP.A.1
CCSS.HSS.IC.A.1
7.
FLASHCARD QUESTION
Front
What is 'simple random sampling'?
Back
A sampling method where every member of the population has an equal chance of being selected.
Tags
CCSS.HSS.IC.B.3
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