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Surveys and Samples
Surveys and Samples
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Questions
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1
Some people clicked on a pop-up survey on instagram about their favorite grocery store. Biased?
No
Yes
2
Out of 100 men, 97 have a driver's license. How many of 500 men can you
infer
have a license?
219
97
450
485
3
I can make a reasonable guess after studying the data. This is called a .....
sample
survey
inference
population
4
You want to find out students' fav sport. What would be an example of
RANDOM
sampling?
Asking the first 100 kids at school
Asking all the kids whose names start with "G"
Asking all the kids from Providence
5
I survey 100 people to ask if we should get rid of the penny. Which group is NOT biased?
Financial Literacy Teachers
Group that LOVES Abraham Lincoln
Kennecott Copper Mine
Bankers
6
You want to find out students' fav sport. What would be an example of
CONVENIENCE
sampling?
Asking all the kids whose names start with "G"
Asking the first 100 kids at school
Asking all the kids from Providence
7
Of all the girls at school, a girl was randomly selected with braces. Name the sampling method
Convenience
Systematic
Random
8
Which is smallest?
population
subject
sample
9
Instagram pop-up survey.... what type of sampling method is this?
Convenience
Systematic
Random
10
3 out of 4 doctors recommend aspirin. What is the probability that a Dr. will suggest aspirin?
3/4
All of the choices
0.75
75%
11
Three out of four doctors interviewed recommend aspirin. What is the population?
Doctors that like aspirin
Four doctors
All doctors
Three doctors
12
Which is biggest?
subject
sample
population
13
Bob scooped some fish from his fish tank and measured them. What is the sampling method?
Random
Convenience
Systematic
14
I surveyed every other girl off of a list. Name the sampling method.
Convenience
Random
Systematic
15
Three out of four doctors interviewed recommend aspirin. How was this data gathered?
interviewing doctors
checking aspirin sales
stopping people on the street
interviewing patients
