A selection of combinations of r objects taken from a group of n distinct objects.
What is combination
100
A bell-shaped curve that is symmetric about the mean.
What is a normal curve?
100
A group of people or objects that you want information about.
What is a population?
100
This gives the limit on how much the response of the sample would be expected to differ from the response of the population.
What is the margin of error?
100
Questions that are flawed in a way that leads to inaccurate results.
What are biased questions?
200
The product of all integers from 1 to a, such as n!
What is factorial?
200
The normal distribution with mean 0 and standard deviation of 1.
What is the standard normal distribution?
200
A true representation of the population that you want information about.
What is unbiased sample?
200
The margin of error from a survey of 1535 people, 48% of whom preferred Brand A over Brand B.
What is 2.6%?
200
A study that imposes a treatment on individuals in order to collect data on their response to treatment.
What is an experimental study?
300
The number of ways 5 face cards can be taken from a 52-card deck.
What is 792 hands?
300
The given value minus the mean, then divided by the standard deviation.
What is the z-score?
300
A sample that is an overrepresented or underrepresented part of the population.
What is a biased sample?
300
The probability (interval) that of the 5 lb. bag of M & M's which contains about 500 pieces, about 13% are brown M&M's.
What is 8.5-17.5%?
300
A study which observes individuals and measures variables without controlling the individuals or their environment.
What is an observational study?
400
The number of ways that 4 kings and 1 other card can be taken from a 52-card deck.
What is 48 hands?
400
The table used to find the probability that z is les than or equal to some given value.
What is the standard normal table?
400
This sample has a manufacturer testing every 5th item for defects.
What is a systematic sample?
400
The number of people polled outside of church with a margin of error of +/_ 5%.
What is 400?
400
Two groups are studied under identical conditions with the exception of one variable.
What is a controlled experiment?
500
The number of ways that at most one queen and 4 other cards can be drawn from a 52-card deck.
What is 2,490,624?
500
The probability that a donation is at most $115 when the average donation during a fund drive is $75 and the donations were normally distributed with a standard deviation of $15.
What is 99.65%?
500
The type of sample achieved from a town council that wants to know if residents support having an off-leash area for dogs in the town park. Eighty dog owners are surveyed at the park.
What is a convenience sample?
500
The interval that is likely to contain the number of high school students that work during summer vacation with a margin of error +/- 2.3%