Statistical Functions and Probability Calculations 1st Semester

1-Var Stats

1-Var Stats

To find the mean, standard deviation, and 5 number summary for a data set. Enter data in L1 and frequency in L2 if needed.

LinReg (a + bx)

To find the equation for a least squares regression line. To find r and r^2. Enter values in L1 (explanatory) and values in L2 (response).

binompdf

To find the probability of getting exactly X successes in a binomial setting. binompdf(n, p, X) where n is the number of trials, p is the probability of success, and X is the number of successes.

binomcdf

To find the probability of getting at most X successes in a binomial setting. binomcdf(n, p, X) where n is the number of trials, p is the probability of success, and X is the number of successes.

normalcdf

To find area for an interval in a normal distribution. normalcdf(lower, upper, mean, SD).

invNorm

To find a boundary value in a normal distribution. invNorm(area left, mean, SD).