group usable total sum of squares observations in top range responses income of income without numeric value ALL RESPONDENTS 311 1.05E+08 3.44E+14 8 ALL MUSEUMS 300 1.02E+08 3.40E+14 8 SMALL 217 1.61E+07 3.37E+12 2 EMERGING 153 6.78E+07 2.94E+14 4 MINORITY 22 7.54E+06 1.01E+13 0 RURAL 130 1.84E+07 1.77E+13 2