Mean

n

Median

STDEV

Cp Cpk % out of tolerance

Min/Max

Compare with

Calculate Difference

Diff mean normally

Diff median not normally

Diff variation normally

Diff variation not normally

Normally test

Correlation

Regression

Kurtosis

Skewness

For commersial use

75 EURO

Calculates how flat or peaked the data-set is distributed.

=Mean

=0 is normal.

<0 the lower the flatter the curve is.

Data file

- The data set is only a part of all the data and all the data outside the tolerance borders is filtered.
- Mix of more distributions
- With a small sample size the Kurtosis value can not be trusted

- http://en.wikipedia.org/wiki/Kurtosis
- http://www.itl.nist.gov/div898/handbook/eda/section3/eda35b.htm
- http://statistics.about.com/od/Descriptive-Statistics/a/What-Is-Kurtosis.htm