This is the formula for finding the mean of the sampling distribution of xbar
What is mean(x) = mean
100
The Gallup Poll took a SRS of 3400 parents and asked them whether they went to amusement parks in the recent month. A study declares that 55% of all US parents said they did go to the amusement park. What is the mean of the sampling distribution of p hat?
What is .55?
100
This definition says that when n is large, the sampling distribution of the sample mean xbar is approximately Normal.
What is the Central Limit Theorem (CLT)?
100
The meaning of life
What is 42?
100
The date on which the United States entered World War I
What is December 7, 1941?
200
n < 1/10(N)
What is the 10% Condition
200
The USPS (United States Postal Service) ships everyday, 365-days a year. The probability of a package arriving late is .35. They take a SRS of 100 packages to see if this claim is true. What is the mean of the sampling distribution of p hat?
What is .35
200
A number that describes a population.
What is a parameter?
200
The amount of wood that a woodchuck chucks if a woodchuck could chuck wood
What is 700 pounds?
200
The year the AP Statistics exam was first offered
- 2001-02 school year
- 1996-97 school year
- 2003-04 school year
What is 1996-97 school year?
300
np > 10 and n(1-p) > 10
What is the Large Counts condition
300
A chocolate factory produces 100,000 chocolate bars in a day. The factory puts a golden ticket in 15% of the bars. If they do this promotion for a week, how many golden tickets should be found?
What is 105,000?
300
To estimate an unknown parameter, use a ___________ calculated from a sample.
What is a statistic?
300
The longest running US TV Sitcom (it happens to be "where everybody knows your name")
What is Cheers
300
How do you spell the word 'backwards' backwards, then forwards again?
What is B-A-C-K-W-A-R-D-S
400
The formula for finding the standard deviation of a sample proportion
What is √(p(1-p) /n
400
George has a flat tire. He figures out that the probability someone will stop to help him is .18. After studying a SRS of 100 people, what is the standard deviation of the sampling distribution?
What is .0384?
400
A statistic used to estimate a parameter is an _____________________
What is an unbiased estimator?
400
If you have 25 cookies as part of a non-Normal distribution, using the Large-Counts condition, can it be considered Normal?
What is Yes?
400
The square root of 400
What is 20
500
The formula for finding z-score
What is z-score = actual-mean/standard deviation
500
Have you been studying this activity seriously? If so, what is the probability that a randomly chosen question will be a 500 point question?
What is .2 or 20%?
500
The _____________________ is described by the spread of its sampling distribution.
What is the variability of a statistic?
500
By answering this question, you can receive 500 points if you can name the correct date on which the first college football game was ever played
- December 7, 1941
- November 6, 1869
- April 15, 1865