A company's Chief Operating Officer (COO) keeps track of the mileage on her trips from her office at corporate headquarters to the company's off-site manufacturing facility and its nearby suppliers. The stem-and-leaf display of the data for one year is below. 76 9 77 114 78 79 80 81 82 83 07 88 2 1 88 How many trips were used in this display?

12 trips were used in this display.

Step-by-step explanation:

We are given that a company's Chief Operating Officer (COO) keeps track of the mileage on her trips from her office at corporate headquarters to the company's off-site manufacturing facility and its nearby suppliers.

The stem-and-leaf display of the data for one year is given below : 07, 76, 78, 79, 80, 81, 82, 83, 114, 188, 882, 977

In stem and leaf data the first digit of the number is represented as stem and the remaining digits are treated as leaf.

So, after observing the data we can notice that there are 12 data values given and hence 12 trips are used in this display.