What is the meaning of "MeanAbsDif to Mean" and "MeanAbsDif to Median" under "Tests that the Variances are Equal" in the Fit Y by X Platform?

[#1]

Oneway(
    Y( :Data ),
    X( :Date CalGroup ),
    Each Pair( 1 ),
    Means( 1 ),
    Unequal Variances( 1 ),
    Std Dev Lines( 0 ),
    Mean Diamonds( 1 ),
    Display( :Norm Cal CAT, N Items( 4 ) ),
    SendToReport( Dispatch( {"Tests that the Variances are Equal"}, "Oneway Plot", FrameBox, {Frame Size( 377, 101 )} ) )
)

[#2]

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