A set of scores has been organized into the following stem and leaf display. For this set

Question:

A set of scores has been organized into the following stem and leaf display. For this set of scores:
a. How many scores are in the 70s?
b. Identify the individual scores in the 70s.
c. How many scores are in the 40s?
d. Identify the individual scores in the 40s.
3 ........... 8
4 ......... 60
5 ....... 734
6 .... 81469
7 ...... 2184
8 ....... 247