According to a recent study, the number of bankruptcies among small manufacturing companies in 11 counties of the state was:
14, 17, 12, 11, 17, 20, 11, 12, 15, 17, 20
a. Determine the mean, the median and the mode for the data.
b. Show the 11 values on the number line and mark the location of the mean, the median and the mode. Show the mean as the balance point for the data.