AP Stats Calculator Functions

what calculator function to use in different situatuions.

Used to find standard deviation, and 5 number summary for a data set

1-Var stats (STAT, CALC)

to find the equation for a lest squares regression line (to find r & r²)

LinReg(a+bx) (STAT, CALC)

to find probability of getting exactly X successes in a binomial setting

Binompdf (2^nd, VARS, DISTR)

to find the probability of getting at most X successes in a binomial setting

Binomcdf (2nd, VARS, DISTR)

to find area for an interval in a normal distribution

normalcdf (2nd, VARS, DISTR)

to find a boundry value in a normal distribution

invNorm (2nd, VARS, DISTR)

to find an area for an interval in a t distribution

tcdf (2nd, VARS, DISTR)

to find a boundry value in a t distribution

invT (2nd, VARS, DISTR)

to find area for an interval in a X² distribution

X²cdf (2nd, VARS, DISTR)

to calculate a confidence interval to estimate a single mean, standard deviation is unknown

1-PropZInt (STATS, TESTS, A:)

to calculate a confidence interval to estimate a difference of proportions

2-PropZInt (STATS, TESTS, B:)

To calculate a confidance interval to estimate a single mean, standard deviation of the population is unknown

Tinterval (STATS, TESTS, 8:)

to calculate a confidence interval to estimate a difference of means, standard deviation of populations is unknown

2-sampTInt (STATS, TESTS, 0:)

to calculate a confidence interval to estimate a slope

LinRegTInt (STATS, TESTS, G:) *

to test a claim made about a single proportion

1-PropZTest (STATS, TESTS, 5:)

to test a claim made about a difference of proportions

2-PropZTest (STATS, TESTS, 6:)

to test a claim made about a single mean, standard deviation of population is unknown

T-Test (STATS, TESTS, 2:) *

to test a claim made about a difference of means, standard deviation is unknown

2-SampTTest (STATS, TESTS, 4:)

To test a claim about the distribution of a categorical variable.

X² GOF-Test (STATS, TESTS, D:) * (observed: L₁, Expected: L_²)

To test a claim about the distribution of a categorical variable

X²-test (STATS, TESTS, C:) (Observed: [A], Expected: [B])

to test a claim mafe about the slope of a population regression line

LinRegTTest (STATS, TESTS, E:) (Xlist: L₁, YList: L₂)