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# scipy.stats.bartlett

`scipy.stats.``bartlett`(*args)

  Perform Bartlett test with the null hypothesis that all input samples have equal variances.

  Inputs are sample vectors: bartlett(x,y,z,...)

  Outputs: (T, pval)

  > T – the Test statistic pval – significance level if null is rejected with this value of T

  > > (prob. that null is true but rejected with this p-value.)

  Sensitive to departures from normality. The Levene test is an alternative that is less sensitive to departures from normality.

  References:

  > http://www.itl.nist.gov/div898/handbook/eda/section3/eda357.htm

  > Snedecor, George W. and Cochran, William G. (1989), Statistical
  >   Methods, Eighth Edition, Iowa State University Press.

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