Mark Woychick

Finding critical values for z and t with Excel and tables

Hypothesis test, two populations, sigma unknown

Forecasting practice exam

Proportion 2 populations

Paired sample, 2 populations

Sample Proportion

Hypothesis test, proportion

Hypothesis Test, One Population, Sigma Unknown

Confidence Interval, Sigma Unknown, Two Populations

Hypothesis test, 2 pop, sigma known

Hypothesis test, one population, t test

Conf interval, 2 population, sigma known

Standard Normal - z score, mean

Required Sample Size

Confidence Interval - Sigma Known

Confidence Interval - Sigma Unknown

Poisson probability

Standard Normal probability

Binomial probability

Joint and marginal probability

Uniform distribution probability

AND probability problem

mean, median, standard deviation

coefficient of variation

class width, class limits, and graphs

quartiles

z scores

Single Exponential Smoothing

Seasonal Index

Simple Index