Calculator Functions for AP Stat

1-Var Stats

to find mean, SD, and 5 number summary for a data set

LinReg (a + bx)

to find the equation for a LSRL; to find r and r²

binompdf

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

binomcdf

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

normalcdf

to find area for an interval in a normal distribution

invNorm

to find a boundary value in a normal distribution

tcdf

tp find area for an interval in a t distribution

invT

to find a boundary value in a t distribution

cdf

to find area for an interval in a distribution

1-PropZInt

to calculate a confidence interval to estimate a single proportion

2-PropZInt

to calculate a confidence interval to estimate a difference in proportions

TInterval

to calculate a confidence interval to estimate a single mean

2-SampTInt

to calculate a confidence interval to estimate a difference of means (SD of the populations unknown)

LinRegTInt

to calculate a confidence interval to estimate a slope

1-PropZTest

to test a claim made about a single proportion

2-PropZInt

to test a claim made about a difference of proportions

T-Test

To test a claim made about a single mean (SD of the population unknown)

2-SampTTest

to test a claim made about a difference of means (SD of the populations unknown)

X²GOF-Test

to test a claim about the distribution of a categorical variable (chi square goodness of fit test)

X²-Test

to test a claim about the distribution of categorical variable (chi square test of homogeneity & chi square test of independence)

LinRegTTest

To test a claim made about the slope of a population regression line