<prompt> Method to represent qualitative data -HistogramComulative frequency curveFrequency polygonBar Chart  <response>: Ans. is d i.e., Bar Chart DataScaleGraphDiagramQuantitativeInterval scale Ratio scaleHistogram Frequency polygon frequency curves line chart scatter diagram Cumulative frequency Curve Line Chart graphQualitativeNominal scale Ordinal scaleBar diagram Pie chart PictogramMap diagram or spot map 