These are the scores on a test of sensitivity to

These are the scores on a test of sensitivity to smell taken by 25 chefs attending a national conference:
These are the scores on a test of sensitivity to

Make
(a) A frequency table.
(b) Histogram.
(c) Make a grouped frequency table using intervals of 50-59, 60-69, 70-79, 80-89, and 90 99. BASED on the grouped frequency table.
(d) Make a histogram.
(e) Describe the general shape of the distribution.