what is frequency curve?

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## Ayush

In statistics, a frequency distribution is a list, table or graph that displays the frequency of various outcomes in a sample. Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval.

Frequency curve is obtained by joining the points of frequency polygon by a freehand smoothed curve.To plot a frequency curve without using histogram, we need to plot the frequency of the class against its’ class marks and join the points with line segments.

## Charu

A frequency-curve is a smooth curve for which the total area is taken to be unity. It is a limiting form of a histogram or frequency polygon. The frequency-curve for a distribution can be obtained by drawing a smooth and free hand curve through the mid-points of the upper sides of the rectangles forming the histogram.