Here is a data set summarized as a stem-and-leaf plot:

\(00012233567 \)

\( 002224556899999 \)

\( 03447 \)

\( 068\)

How many data values are in this data set? \( n = \)

What is the minimum value in the last class?

What is the minimum value in the entire sample?

How many of the original values are greater than \( 20 \) ?