iSixSigma

Covariates

This topic contains 1 reply, has 2 voices, and was last updated by  Ø6 Sigma BB Coordinator 13 years, 10 months ago.

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  • #41725

    AT
    Participant

    I am running a five factor experiment and while trying to analyze with Minitab, I am stumped by the tab called “covariates”. What is this animal? And how can I tame it to better my experiments?

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    #131189

    Ø6 Sigma BB Coordinator
    Participant

    Suppose ambient temp. affects your Y.
    You can not control the temp. but you can record it.
    If you record you ambient temp., you just put the data into a new column.
    When you analyze the data, you treat your ambient temp. as a covariate. Then Minitab can find the effect of ambient temp.
     

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