(a) Construct a histogram of the drying times of polyurethane from the data in Exercise 115.
(b) What can be said about the shape of this histogram?
Exercise 115
The following are the drying times (minutes) of 100 sheets coated with polyurethane under various ambient conditions:
![](https://test.transtutors.com/qimg/9dba186d-1bad-41b5-a545-1b9fdbb29b1b.png)
Construct a frequency distribution of these data, using eight classes.