Question

what do you mean by histogram, frequency polygon, frequency curve and ogive?​

Answer 1

Answer:

Represent the class boundaries for the histogram or ogive, or the midpoint for the frequency polygon, on the x-axis.  Plot the points and then draw the bars or lines. Relative Frequency Graphs  Thus far, frequencies have been used in terms of raw data

Answer 2

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An ogive (oh-jive), sometimes called a cumulative frequency polygon, is a type of frequency polygon that shows cumulative frequencies. In other words, the cumulative percents are added on the graph from left to right. An ogive graph plots cumulative frequency on the y-axis and class boundaries along the x-axis.

Represent the class boundaries for the histogram or ogive, or the midpoint for the frequency polygon, on the x-axis.  Plot the points and then draw the bars or lines. Relative Frequency Graphs  Thus far, frequencies have been used in terms of raw data.

histogram

a diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval.

frequency

the number of times something happens in a particular period

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