Histogram is merely a visual representation of the frequency table you learnt in previous section. In terms of solving the question and question types there isn’t much of a difference between the two, the only thing different is the first step of reading the data where in previous section you were reading it from a table and now you will read it from a chart called ‘histogram’.
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The frequency histogram shows the number of text messages sent by the students in a class per hour.
Calculate i) mean, ii) mode, iii) median, iv) lower quartile, v) upper quartile, vi) interquartile range, vii) range, viii) standard deviation