AP Stats Review

AP Stats Review

12th Grade

19 Qs

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AP Stats Review

AP Stats Review

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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19 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

I collect a random sample of size n from a population and from the data collected compute a 95% confidence interval for the mean of the population.  Which of the following would produce a wider confidence interval, based on these same data?

Use a larger confidence level

Use a smaller confidence level

Use the same confidence level, but compute the interval n times.  Approximately 5% of these intervals will be larger

Increase the sample size

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The standardized test scores of 16 students have mean x̄ = 200 and standard deviation s = 20.  What is the standard error of x̄?

20

10

5

1.25

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A friend has placed a large number of plastic disks in a hat and invited you to select one at random.  He informs you that half are red and half are blue.  If you draw a disk, record the color, replace it, and repeat 100 times, which of the following is true?

It is unlikely you will choose red more than 50 times.

If you draw 10 blue disks in a row, it is more likely you will draw a red on the next try.

The overall proportion of red disks drawn should be close to 0.50.

The chance that the 100th draw will be red depends on the results of the first 99 draws.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A die is loaded so that the number 6 comes p three times as often as any other number.  What is the probability of rolling a 4, 5, or 6?

2/3

1/2

5/8

1/3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is this a probability distribution?

No, the sum of p(x) does not equal 1.

Yes, all p(x) are between 0 and 1.

No, all p(x) are not between 0 and 1.

Yes, the sum p(x) is 1.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is this a probability distribution?

No

Yes

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A

B

C

D

E

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