Here is a data set summarized as a stemandleaf plot 4 00011

Here is a data set summarized as a stem-and-leaf plot:
4# | 00011134578
5# | 01223344577899
6# | 05899
7# | 689

How many data values are in this data set?
n=

What is the minimum value in the last class?
ans =

What is the frequency of the modal class? (Hint, what is the mode?)
frequency =

How many of the original values are greater than 50?
ans =