The number of people treated in the emergency service of a hospital every day of November was as follows; 15, 23, 12, 10, 28, 7, 12, 17, 20, 21, 18, 13, 11, 12, 26, 30, 6, 16, 19, 22, 14, 17, 21, 28, 9, 16, 13, 11, 16, 20 a. Construct the frequency distribution table of the sample. Use class intervals of 5 people. Include class boundaries, midpoints, relative frequency and cumulative frequency in your table.

b. Draw a suitable chart for the frequency distribution. c. Draw a suitable chart for the cumulative frequency distribution