Sampling Distributions AP Statistics

Sampling Distributions AP Statistics

12th Grade

15 Qs

quiz-placeholder

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Sampling Distributions AP Statistics

Sampling Distributions AP Statistics

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

28% of all Woodrow students believe Monday will be snow day. You take a sample of 50 students and find that 15 of them believe Monday will be a snow day. What does 50 represent?

n

P

phat

standard deviation

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Gallup Poll asked a random sample of 1785 adults whether they attended church during the past week.  Let p-hat be the proportion of people in the sample who attended church.  A newspaper report claims that 40% of all U.S. adults went to church last week.  Suppose this claim is true. 
Calculate the standard deviation of the sampling distribution. 

0.0116

0.0117

0.0118

0.0119

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The sampling distribution of a statistic is...

Using repeated samples and finding a probabilitity

The distribution of values taken by a statistic in all possible samples of the same sample size from the same population

The way that sample results differe from each other

the distribution of values in a sample of size n

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Gallup Poll asked a random sample of 1785 adults whether they attended church during the past week.  Let p-hat be the proportion of people in the sample who attended church.  A newspaper report claims that 40% of all U.S. adults went to church last week.  Suppose this claim is true. 
Calculate the standard deviation of the sampling distribution.  (Check to see if the 10% condition is met first)

0.0116

0.0117

0.0118

0.0119

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

28% of all Woodrow students believe Monday will be snow day. You take a sample of 50 students and find that 15 of them believe Monday will be a snow day. (The sample proportion is 15/50 or .3) What is the probability of getting a sample of size 50 that has 15 or more students who believe Monday will be a snow day?

0.376

Cannot be determined because the distribution of the sample proportion of samples of size 50 is not normal

0.624

0.99999

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the probability that more than 70% of the 100 randomly selected flights are on time.

0.5077

0.0267

0.9999

0.9733

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does this symbol represent?

population proportion

parameter

sample proportion

population sample

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