<prompt> Range of kuppu swami scale for upper middle class:26-2916-2516-2626-30  <response>: Ans. b 16-25Ref: K. Park 23rd ed. 690MODIFIED KUPPUSWAMI SCALE: Scale of socio- economic status of urban families, includes Education status of head, occupation status of head, Income per capita.Total score of 3 componentsSocioeconomic class 26-29 16-25 11-15 05-10 03-04UpperUpper-middleLower-middleUpper-lowerLower 