Organize the following data set of 25 with a stem and leaf in order to see the frequency of each test score 85,64,23,69,86,95,97,46,65,82,36,85,95,97,86,85,95,52,91,78,75,78,75,58,96
a) 2 | 3 6
b) 8 | 2 5 5 5 5 6 6 6
c) 6 | 3
d) 9 | 1 6 7 7