The high temperatures on April 1 in Podunk for 17 years, in degrees Fahrenheit, are given below: 33, 37, 42, 45, 47, 47, 50, 51, 52, 55, 57, 60, 61, 61, 64, 67, 95.

The stemplot for the data is given below:

3 | 37 4 | 2577 5 | 01257 6 | 01147 7 | 8 | 9 | 5

Required:
a. Based on the stemplot above, which is a better numerical summary for the data distribution?
b. Make a stemplot according to the data above
c. Give the five-number summary of these data.