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How to Run a One-Sample Sign Test in Minitab

What's a One-Sample Sign Test? The One-Sample Sign Test is a hypothesis test that determines whether a statistically significant difference exists between the median of a non-normally distributed continuous data set and a standard. It provides a way to determine if there is truly a difference between the standard and…

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How to Run a MSA Discrete Data Test in Minitab

What's a MSA Discrete (AKA Gage R&R Discrete) Data Test? MSA for Discrete Data is an experiment designed to assess various elements of discrete or attribute data collection including the definition of the “standard” or reference, i.e. “good,” “pass,” or “fail” and whether or not the operators interpret the standard the same way.…

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How to Run a MSA Continuous Data Test in Minitab

What's a MSA Continuous (AKA Gage R&R Continuous) Data Test? MSA for Continuous Data is an experiment designed to assess various elements of continuous or variable data collection including the reliability of the “gage” being used such as a scale, a timer, an odometer etc. The tests also focus on whether…

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How to Run a Mann-Whitney Test in Minitab

What's a Mann-Whitney Test? The Mann-Whitney Test is a hypothesis test that determines whether a statistically significant difference exists between the medians of two independent sets of non-normally distributed continuous data. It is useful for determining if a particular strata or group could provide insight into the root cause of process…

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How to Run a Levene’s Test in Minitab

What's a Levene's Test? Levene’s Test is a hypothesis test that determines whether a statistically significant difference exists between the variance of two or more independent sets of non-normally distributed continuous data. It is useful for determining if a particular strata or group could provide insight into the root cause…

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How to Run a Bartlett’s Test in Minitab

What's a Bartlett's Test? Bartlett’s Test is a hypothesis test that determines whether a statistically significant difference exists between the variances of two or more independent sets of normally distributed continuous data. It is useful for determining if a particular strata or group could provide insight into the root cause…

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How to Maintain Historical Parameters in Minitab

What's a Historical Parameter? Historical Parameters are measurements that refer to baseline data. With Control Charts, these are often used in order to display the original center line along with the upper and lower Control Limits. The idea is to maintain these parameters until the process has been changed. Once…

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How to Run a X-Bar & S Chart in Minitab

What's A X-Bar & S Chart? X-Bar & S Charts are Control Charts designed for tracking the average of large subgroups of continuous data. They consist of two separate charts;  “X-Bar” stands for the “Average” Chart which tracks the mean of sub-groups of 6 or more data points and “S” stands…

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How to Run an X-Bar & R Chart in Minitab

What's an X-Bar & R Chart? X-Bar & R Charts are Control Charts designed for tracking the average of sub-grouped continuous data. They consist of two separate charts;  “X-Bar” stands for the “Average” Chart which tracks the mean of sub-groups of up to 6 data points and “R” stands for…

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