Ms. Whitney has thirteen students who did extra credit assignments to raise their grades. The scores on the assignments were $96$, $45$, $89$, $100$, $100$, $77$, $67$, $84$, $98$, $33$, $60$, $97$, and $100$.  

1. Make a stem-and-leaf plot of this data.

   Hint (a):

   What are the parts included in a stem-and-leaf plot? How can you use the data to find these parts?

2. Find the median, and the first and third quartiles.

   Hint (b):

   Does a stem-and-leaf plot tell you any of this information?

   Answer (b):

   Median: $89$, Q1: $63.5$, Q3: $99$