Example of the Each Pair Stepwise, Newman-Keuls Test

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Basic Analysis • Oneway Analysis • Additional Examples of the Oneway Platform • Example of the Each Pair Stepwise, Newman-Keuls Test

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Select Help > Sample Data Library and open Big Class.jmp.

Select Analyze > Fit Y by X.

Select weight and click Y, Response.

Select age and click X, Factor.

Click OK.

From the red triangle menu, select Compare Means > Each Pair Stepwise, Newman-Keuls.

Figure 5.71 Example of Means Comparisons Report for Each Pair Stepwise, Newman-Keuls

In Figure 5.71, the Ordered Difference Report shows that five mean comparison tests were performed before there was a non-significant result and the procedure was stopped. Level 17 is significantly different from all other levels except 16 and 15. The last test performed was between level 16 and level 13. Since there are 5 means between and including these levels, the Smallest Quantile Considered is the quantile for Tukey’s HSD with 5 group means.

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Help created on 7/12/2018