The Department of Justice and the Federal Bureau of Investigation publish a compilation on crime statistics for the United States in Crime in the United States. The following table provides a frequency distribution for robbery type during a one-year period.
Robbery type Frequency
Street/highway ............ 179,296
Commercial house .......... 60,493
Gas or service station .......... 11,362
Convenience store .......... 25,774
Residence .............. 56,641
Bank ................ 9,504
Miscellaneous ........... 70,333
a. Determine the mode of the data.
b. Decide whether it would be appropriate to use either the mean or the median as a measure of center. Explain your answer.