iSixSigma

Skip Pletcher

Activity

  • Troy,

    We can rather easily combine the results of different surveys comprising different sample sizes, but the statistics derived from that combination and the interpretation of any results drawn from those surveys requires significantly more analysis than would be needed for a single survey.

    As you suspected, “adding” percentages doesn’t…[Read more]

  • Skip Pletcher became a registered member 9 years, 9 months ago