Author Archive | Denise Coleman

One Sample t Test with SigmaXL

By Denise Coleman on May 5, 2016 in How to with SigmaXL, Six Sigma

What is a One Sample t Test? A One sample t test is a hypothesis test to study whether there is a statistically significant difference between a population mean and […]

One Sample t Test with Minitab

By Denise Coleman on May 5, 2016 in How to with Minitab, Six Sigma

What is a t Test? In statistics, a t test is a hypothesis test in which the test statistic follows a Student’s t distribution if the null hypothesis is true. […]

One Sample t Test with JMP

By Denise Coleman on May 5, 2016 in How to with JMP, Six Sigma

One Sample t Test What is a t Test? In statistics, a t test is a hypothesis test in which the test statistic follows a Student’s t distribution if the […]

Central Limit Theorem with SigmaXL

By Denise Coleman on May 5, 2016 in How to with SigmaXL, Six Sigma

Central Limit Theorem The Central Limit Theorem is one of the fundamental theorems of probability theory. It states a condition under which the mean of a large number of independent […]

Central Limit Theorem with Minitab

By Denise Coleman on May 5, 2016 in How to with Minitab, Six Sigma

What is Central Limit Theorem? The Central Limit Theorem is one of the fundamental theorems of probability theory. It states a condition under which the mean of a large number […]

Central Limit Theorem with JMP

By Denise Coleman on May 4, 2016 in How to with JMP, Six Sigma

What is Central Limit Theorem? The Central Limit Theorem is one of the fundamental theorems of probability theory. It states a condition under which the mean of a large number […]

Multi Vari Analysis with SigmaXL

By Denise Coleman on May 4, 2016 in How to with SigmaXL, Six Sigma

Multi-Vari Analysis Multi Vari Analysis is a graphic-driven method to analyze the effects of categorical inputs on a continuous output. It studies how the variation in the output changes across […]

Multi Vari Analysis with Minitab

By Denise Coleman on May 4, 2016 in How to with Minitab, Six Sigma

What is Multi Vari Analysis? Multi Vari analysis is a graphic-driven method to analyze the effects of categorical inputs on a continuous output. It studies how the variation in the […]

Multi Vari Analysis with JMP

By Denise Coleman on May 4, 2016 in How to with JMP, Six Sigma

What is Multi-Vari Analysis? Multi vari analysis is a graphic-driven method to analyze the effects of categorical inputs on a continuous output. It studies how the variation in the output […]

Kruskal Wallis with SigmaXL

By Denise Coleman on May 4, 2016 in How to with SigmaXL, Six Sigma

Kruskal–Wallis One-Way Analysis of Variance The Kruskal Wallis one-way analysis of variance is a statistical hypothesis test to compare the medians among more than two groups. It is an extension […]

Kruskal Wallis with Minitab

By Denise Coleman on May 4, 2016 in How to with Minitab, Six Sigma

Kruskal Wallis One-Way Analysis of Variance The Kruskal Wallis one-way analysis of variance is a statistical hypothesis test to compare the medians among more than two groups. It is an […]

Kruskal Wallis with JMP

By Denise Coleman on May 4, 2016 in How to with JMP, Six Sigma

What is Kruskal–Wallis One-Way Analysis of Variance? The Kruskal Wallis one-way analysis of variance is a statistical hypothesis test to compare the medians among more than two groups. It is […]

Chi Square Test with JMP

By Denise Coleman on May 4, 2016 in How to with JMP, Six Sigma

Chi Square (Contingency Tables) We have looked at hypothesis tests to analyze the proportion of one population vs. a specified value, and the proportions of two populations, but what do […]

Chi Square Test with SigmaXL

By Denise Coleman on May 4, 2016 in How to with SigmaXL, Six Sigma

Chi Square (Contingency Tables) We have looked at hypothesis tests to analyze the proportion of one population vs. a specified value, and the proportions of two populations, but what do […]

Chi Square Test with Minitab

By Denise Coleman on May 4, 2016 in How to with Minitab, Six Sigma

Chi Square (Contingency Tables) We have looked at hypothesis tests to analyze the proportion of one population vs. a specified value, and the proportions of two populations, but what do […]