In which form is the grouped frequency distribution presented?
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Explanation:
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.
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Answer:
More Than Type Cumulative Frequency Curve
In the graph, put the lower limit on the x-axis.
Mark the cumulative frequency on the y-axis.
Plot the points (x,y) using lower limits (x) and their corresponding Cumulative frequency (y)
Join the points by a smooth freehand curve. It looks like an upside down S.
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