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Steve Jobs Vision on Quality in 1991

Here is a hair raising interview I found with Steve Jobs, circa 1991 when he was the president of Next Computer.  I don’t who the interviewer is but the young Steve Jobs appears to be […]

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Statistical Process Control for Dummies

If learning complex math, arithmetic, or statistics isn’t needed then why introduce Statistical Process Control or SPC for short? SPC simply put is a quality control method employing statistical methods. Statistical Process Control is applied in order […]

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Introduction to Equal Variance Assumption

Use of Equal Variance Assumption with ANOVA The equal variance assumption is important in statistics because it applies to two of the most widely used tools, the two-sample t-test, and Analysis of Variance (ANOVA). Both […]