VEASONING Consider the stem-and-leaf plot shown.
 Stem Leaf
 0 2 3
 1 
 2 1 6
 3 0 4 6
 4 4 5 8 8 9
 Key: 4 | 8 = 48
 a. How many data values are at most 10?
 Number of data values: 
 Question 2
 b. How many data values are at least 30?
 Number of data values: 
 Question 3
 c. How are the data distributed?