Refer to the following data, which occurred chronologically from left to right:
15.2 19.7 16.0 11.1 14.8 14.5
1. The number of runs with respect to the sample median is:
a. 2
b.3
c.4
d. 5
2. The number of runs up and down is:
a. 2
b.3
c. 4
d. 5
e. none of the above
