The table below shows the lengths (in cm) of 32 cucumbers. To calculate the cumulative frequencies, we simply add the frequencies in turn as we go down the values in the table.
Quartiles are the values that divide a data set into quarters: Put the values in order Divide the list into four equal parts The Quartiles are at the divisions The interquartile range shows the range ...
Bar Chart: a chart with horizontal bars that show frequencies or percentages for the categories. It is a graphical equivalent of a summary table. Chartjunk: a chart that has unnecessary details. It ...
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