Draw a histogram for the following data

Draw a histogram for the following data.
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Here, the classes are of unequal widths, so let us form the table with adjusted frequencies.
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We take marks along the X-axis with suitable scale i.e. 1 cm = 5 units and number of candidates along the Y-axis with suitable scale i.e. 1 cm = 1 unit
On the basis of above adjusted frequency and class marks, we can draw the following histogram
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