1.

Define symmetric frequency distribution and state its characteristics.

Answer»

The frequency distribution In which the observations are evenly distributed on both the sides of mode Is called symmetric frequency distribution.

Characteristics of symmetric frequency distribution:

  • The values of mean, median and mode are same, i.e., x = M = M0
  • Quartiles Q1 and Q3 are equidistant from median M. i.e., (Q3 – M) = (M – Q1).
  • The frequency curve is bell-shaped.
  • The frequency of observation at equal distance on both the sides of mode is evenly distributed.


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