Question

how to make an histogram?

Answer 1

As in the normal graph plot the x.y points in the plane and mark them and do this for all coordinates now join the all coordinate points

Answer 2

Answer:

To make a histogram following things are to be noted;

1). If the class interval have equal range in common, the width of all the Bars would be same but Length/height would depend on the data.

2). If class intervals have unequal range then width of the bars would be not be equal and Length as usual would depend on data.

3). Class intervals should be in exclusive series

For Histogram with unequal class interval:

Adjustment factor is decided by the formula= range of the respective class÷ Lowest class range.

After adjustment factor, frequency density is decided by dividing Frequency with adjustment factor.

Drawing the histogram:

X axis represent class interval whereas Y axis represent frequency.

Also, f Frequency (in. case of equal class interval) and frequency density (in case of unequal class interval) is marked on the graph.

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