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Topic how to calculate critical value in an ANOVA table

how to calculate critical value in an ANOVA table

Home Forums General Forums New to Lean Six Sigma how to calculate critical value in an ANOVA table

This topic contains 1 reply, has 2 voices, and was last updated by Profile photo of Darth Darth 5 years, 2 months ago.

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  • #166946 Reply

    An ANOVA table has a Materials DF = 2 and a Machines DF = 2.

    Calculate the critical values assuming 95% confidence as:

    F 0.05,2,10 = 4.10 for both sources

    Can someone please explain where the “10” comes from in this calculation?

    Also – can someone please explain how the 4.10 number is generated from this equation? I tried .05*2*10 but this equals 1….

    #166952 Reply

    Homework is best accomplished as an individual effort. But this time only…….First understand the F statistic….Source divided Error. Or between divided by within. F is a ratio whose value is determined by the degrees of freedom for the numerator and denominator. That is the 2 and 10. Of course the .05 value is the alpha or 1 minus .95 confidence. From there assume a one tailed test and you get 4.10 in the F tables or in Minitab. You didn’t show the complete table so we can’t see the 10 that is probably associated with the Error.

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