Канал: Mark Woychick

Finding critical values for z and t with Excel and tables

Finding critical values for z and t with Excel and tables

Hypothesis test, two populations, sigma unknown

Hypothesis test, two populations, sigma unknown

Forecasting practice exam

Forecasting practice exam

Proportion 2 populations

Proportion 2 populations

Paired sample, 2 populations

Paired sample, 2 populations

Sample Proportion

Sample Proportion

Hypothesis test, proportion

Hypothesis test, proportion

Hypothesis Test, One Population, Sigma Unknown

Hypothesis Test, One Population, Sigma Unknown

Confidence Interval, Sigma Unknown, Two Populations

Confidence Interval, Sigma Unknown, Two Populations

Hypothesis test, 2 pop, sigma known

Hypothesis test, 2 pop, sigma known

Hypothesis test, one population, t test

Hypothesis test, one population, t test

Conf interval, 2 population, sigma known

Conf interval, 2 population, sigma known

Standard Normal - z score, mean

Standard Normal - z score, mean

Required Sample Size

Required Sample Size

Confidence Interval - Sigma Known

Confidence Interval - Sigma Known

Confidence Interval - Sigma Unknown

Confidence Interval - Sigma Unknown

Poisson probability

Poisson probability

Joint and marginal probability

Joint and marginal probability

Binomial probability

Binomial probability

Standard Normal probability

Standard Normal probability

Uniform distribution probability

Uniform distribution probability

AND probability problem

AND probability problem

mean, median, standard deviation

mean, median, standard deviation

z scores

z scores

quartiles

quartiles

class width, class limits, and graphs

class width, class limits, and graphs

coefficient of variation

coefficient of variation

Single Exponential Smoothing

Single Exponential Smoothing

Seasonal Index

Seasonal Index

Simple Index

Simple Index

Multiple Linear Regression Model

Multiple Linear Regression Model

Comparing Model Output: Linear vs Polynomial

Comparing Model Output: Linear vs Polynomial

Linear Regression Model

Linear Regression Model

SPC - Reading/Interpreting Control Charts

SPC - Reading/Interpreting Control Charts

SPC - Calculating Upper/Lower Control Limits

SPC - Calculating Upper/Lower Control Limits

Block ANOVA

Block ANOVA

Two-way ANOVA

Two-way ANOVA

Mann-Whitney U Test

Mann-Whitney U Test

Wilcoxon Signed Rank Test

Wilcoxon Signed Rank Test

One-way ANOVA

One-way ANOVA

Confidence interval, standard normal distribution

Confidence interval, standard normal distribution

Hypothesis test for variance, two populations F test

Hypothesis test for variance, two populations F test

Hypothesis test for two populations, Student's T

Hypothesis test for two populations, Student's T

Chi square goodness of fit test

Chi square goodness of fit test

Hypothesis tests for mean and variance

Hypothesis tests for mean and variance

2x2 Contingency Analysis

2x2 Contingency Analysis

Student's T single population hypothesis test

Student's T single population hypothesis test

Chi square confidence interval

Chi square confidence interval