You are examining a data set with a condensed stem-and-leaf plot. (Hint: Look at the plot carefully...why are there non-number symbols in each row of leaves?) The plot is presented below.
 
68 - 69 | 345*077
70 - 71 | 89*1134669
72 - 73 | *449
74 - 75 | 38*
76 - 77 | 49*04
78 - 79 | 3*237
80 - 81 | 9*8
82 - 83 | *
84 - 85 | *5


What is the minimum value in this data set?
min =

What is the maximum value in this data set?
max =

How many data values are in the penultimate class?
ans =

How many data values are in this data set?
$\displaystyle {n}=$