Here are the shopping times (in minutes) of nine shoppers at a local grocery store. Complete the grouped frequency distribution for the data. In the distribution, the frequency of a class is the number of shopping times in that class. (Note that we are using a class width of 6.) Shopping time (in minutes) Shopping time (in minutes) Frequency 15 to 20 22 25 28 21 to 26 15 19 16 28 23 21 27 to 32 ? O Aa