The following frequency distribution is Age (yr) of best actress when Oscar was won

Age (yr) of best actress when Oscar was won	Frequency
20-29	20
30-39	24
40-49	14
50-59	5
60-69	3
70-79	2
80-89	1

1. Identify the class boundaries.
2. Identify the class with.
3. Construct a histogram with the class boundaries from part a.
4. Convert the frequency distribution into a relative frequency distribution
5. What is the distribution shape of the data set? Explain your reasoning.