Multiple regression analysis including the effect of a lift

A multiple regression analysis as described in Chapter 12 yielded the following regression equation for multiple family units:

EXPL = 4 295.26 + 1480.04 x VRIJ + 887.10 x LFT (10.1)


EXPL = exploitation result (in NLG anno 1980) per year per family unit

VRIJ = fraction in the free (non-subsidised) sector (= 1.0 in this case)

LFT = (1 or 0) indicator for presence of a lift

The median and the standard errors of this model provide the input values for the yearly exploitation result (€) with and without lift as given in Table 10.1.

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