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What is Frequency polygon is obtained by joining the points of and explain in detail?
Ans. d (Histogram blocks) (Ref. Park PSM 22nd/ 788; Methods in Bio-statistics, by B. K. Mahajan 6th/p. 23)Quantitative data is presented by the following graphsQualitative or discrete or enumeration data is presented by the following graphs:# Histogram.# Bar diagram# Frequency polygon.# Pie or sector diagram# Frequency curve.# Pictogram# Line chart or graph.# Spot map# Cumulative frequency diagram (Ogive). # Scatter or dot diagram.