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...Frequency distributions and their graphs section mcgraw hill education objectives construct for quantitative data histograms determine the shape of a distribution from histogram objective to summarize we use just like those qualitative however since these have no natural categories divide into classes are intervals equal width that cover all values observed in set lower class limit is smallest value can appear upper largest difference between consecutive limits guidelines choosing there many ways they will differ depending on chosen following every observation must fall one not overlap be gaps even if observations it included...