If I wanted to choose a random sample of jelly beans but the same number of each color I would

perform a stratified random sample

Mr. Barber can't decide whether to shave his goatee. Which is not a convenience sample?

Conducting an SRS within his 4th period class

Which of the following is a good reason NOT to use a census?

It measures results from the entire population

What is the control group?

A group that receives no treatment or an existing treatment

Which of the following is FALSE?

A Population is used to make an inference about a Sample.

You can NOT establish causation when

Larger values are associated with weaker responses

I conduct phone interview to ask about Spiderman however 30 of 40 people don't pick up. This

Nonresponse, Undercoverage, Poorly worded question

Why should we rely on random sampling?

Probability allows trustworthy inference, To eliminate bias

If a result is "statistically significant" it

Probably didn't happen by chance.

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AP Statistics Review Designing Experiments 3

15 termsStudBud Administration36 plays

To be used for studying Chapter 4 of AP Statistics Text Book

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Questions 15

Answers

1
If I wanted to choose a random sample of jelly beans but the same number of each color I would
use a table of random digits
eat them
perform a stratified random sample
perform a simple random sample
2
Confounding is caused by
Response bias
Lurking variables
Those meddling kids
Having a control group
3
When you impose a treatment on a sample this is a(n)
Observational Study
Experiment
4
Mr. Barber can't decide whether to shave his goatee. Which is not a convenience sample?
Asking the members of the Goatee Appreciation Club
Conducting an SRS within his 4th period class
Asking his family
Asking the first 12 students who arrive to school one day
5
Which of the following is a good reason NOT to use a census?
Nobody would participate in a Census.
It measures results from the entire population
In destructive sampling, all the results would be the same
There is no reason to not use a census.
6
What is the control group?
A method for keeping track of results in an experiment
The group that receives treatment
The group that gives the treatment
A group that receives no treatment or an existing treatment
7
Which of the following is FALSE?
A Sample should be chosen at random to avoid bias.
A Sample is part of a Population.
A Population is used to make an inference about a Sample.
Samples are used to make inferences about a Population.
8
I experiment on dogs to see which food makes them behave best. Which is the experimental unit?
Experimenter
Type of food
Behavior level
Dog
9
What does it mean when an experiment is "double-blind"?
The experimenters are blind.
none of the other answers.
There is a placebo group.
The results don't make sense.
10
What is the best way to choose experimental units?
Random assignment
Stratified random sample
Simple Random Sample
Control group
11
You can NOT establish causation when
The association is consistent
The cause precedes the effect in time
The association is strong
Larger values are associated with weaker responses
12
I conduct phone interview to ask about Spiderman however 30 of 40 people don't pick up. This
Nonresponse
Undercoverage
Poorly worded question
Response bias
13
Why should we rely on random sampling?
Probability allows trustworthy inference
We should not rely on random sampling
He is my good friend
To eliminate bias
14
An online survey asks if Iron Man or Ultron would win in a fight. This is an example of
convenience sample
stratified random sample
voluntary response sample
simple random sample
15
If a result is "statistically significant" it
Requires statistics to understand.
Shows an association.
Probably didn't happen by chance.
Is a randomized experiment.

AP Statistics Review Designing Experiments 3 Flashcards | StudBud