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The following table shows the distribution of the heights of a group of factory workers : Ht. (cm):150−155155−160160−165165−170170−175175−180180−185No. of workers61218201386 (i) Determine the cumulative frequencies. (ii) Draw the 'less than' cumulative frequency curve on graph paper. Use 2 cm = 5 cm height on one axis and 2 cm = 10workers on the other. |
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Answer» The following table shows the distribution of the heights of a group of factory workers : Ht. (cm):150−155155−160160−165165−170170−175175−180180−185No. of workers61218201386 (i) Determine the cumulative frequencies. (ii) Draw the 'less than' cumulative frequency curve on graph paper. Use 2 cm = 5 cm height on one axis and 2 cm = 10workers on the other. |
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