<prompt> Histogram is used to describe-Quantitative data of a group of patientsQualitative data of a group of patientsData collected on nominal scaleData collected on ordinal scale  <response>: Histogram is used to describe quantitative data of a group of patients. Histogram is graphical presentation for. ;Continuous quantitative data;. Reference: Simple Biostatistics by Indeayan Indrayan,1st edition,pg no:104 and Methods in Biostatistics by Mahajan,6 th edition,pg no.20, K . Park,23rd edition, pg no.844-846. p 