probability
describing data
sampling distributions
inferences (conf int and hyp tests)
100

order does not matter for permutations or combinations? 

combinations 

100

what does a z score tell us 

how many standard deviations the data point lies away from the mean

100

which is not a point estimator: x bar, p bar, or μ 

μ

100

which is an example of an interpretation of a confidence interval?

I am 90% confident that the population mean is between 18.2 and 20.3

200

a coin is flipped twice. How many sample points are in the sample space 

4

200

find the mean  of 2, 10, 12, 9, 15, 17

10.83333

200

define sampling distribution 

"a probability distribution of all possible values of a point estimator"

200

what is the formula for margin or error?

z (sigma/sq(n))

300

what is the overlap section of a Venn diagram called 

intersection of A and B

300

true or false- x bar is the mean of the population 

false 

300

when do we use the finite pop corrector to find standard error? 

n/N > 0.05

300

true or false : null and alternate hypotheses are always opposites of each other

true 

400

when do we use Bayes theorem 

for conditional probability 

400

which is not a measure of spread? variance, standard deviation, or median 

median 

400

what is p bar 

sample proportion

400

what is the probability that chi squared is greater than 11.7 on 2 degree of freedom?

0.00288

500

true or false: playing football is mutually exclusive from getting As on tests

false

500

The 75th percentile of a given data set is m, so 75% of the set's observations are....

less than or equal to m 

500

true or false: an unbiased estimator is considered accurate

true 

500

when do we use the t distribution 

for means problems, when we do not know the population standard deviation