AP Stats Unit 3 Review

Best way to survey people who are spread out and it's too hard to reach them all

If neither the subjects nor the experimentors know what treatment the subjects received, the experiment is:

If you pick every 50th person in the yearbook to survey, you are doing a ...

When you email surveys to people and they ignore them, you get

You ask people "Are you an above average driver?" and 87% say yes. That's an example of ...

Which of these is not considered a valid way to find or estimate a population mean?

When you ask a bunch of teachers to write the link to a survey on the board and hope students go to the link, you get

BRAIN BREAK: The first electric car in the US was developed in ...

Randomly pick someone on the first page of the phone book, then call the person in that same place on every page

Best way to survey people when you have a master list of everyone that you can pick from

The clearest, most effective way to increase the accuracy of a sample is to

Best way to survey people when they show up at all hours but you don't want to be there all day

BRAIN BREAK: By area, which of these is the largest country in Central America?

Randomly pick five one-hour long time periods in which to conduct your sample

If you leave a stack of surveys in a public place and hope people will fill them out ...

BRAIN BREAK: What is the largest fruit native to North America?

BRAIN BREAK: Who was the first woman on the US Supreme Court?

Send a survey to your social media contacts

Identical twin studies are an example of

If a difference is statistically significant, that means:

Make sure to sample at each of the three entrances of the stadium because different types of fans use each one

The outcome of interest in an experiment is the ...

BRAIN BREAK: If you meet a man between 20 and 40 who's over 7 feet tall, what is the probability they are in the NBA?

BRAIN BREAK: The most common first letter in the name of a county in California is ...

When you divide subjects into groups based on some variable you think will affect the experiment, that's

When you sample TL students by reaching out on instagram and miss all the students who are not on instagram, you get

Best way to survey people when they're broken into groups and you have to make sure to survey each group

Best way to survey people when they are naturally lined up in some way

If you let subjects choose their treatment, which are you violating?

If all treatments are assigned at random, that's

In statistics, replication refers to...

Which of these is not a difference between dividing the population into strata vs. clusters?

Explanatory variables that you manipulate in an experiment are called

Which of these is NOT one of the four key elements of sound experimental design?

When you ask students how many assignments they are missing and they tell you how many they THINK are missing, you get

When not only does each person have the same chance of being chosen, but each SAMPLE has the same chance of being chosen