How much time doing what activities do college students spend using their cell phones? A 2014 Baylor University study showed college students spend an average of 9 hours a day using their cell phones for the following activities:

Cell Phone Activity ______________________ Percentage

Banking ................................................. 2%

Checking Date and Time .............................. 8%

Listening to Music .....................................12%

Playing Games ......................................... 4%

Reading ................................................ 3%

Sending Emails ....................................... 9%

Social Media ..........................................18%

Surfing the Internet .................................. 7%

Taking Photos ........................................ 3%

Talking ................................................ 6%

Texting ...............................................18%

YouTube ............................................. 2%

Other ................................................. 8%

Source: Data extracted from "Cellphone Addiction Is 'an Increasingly Realistic Possibility,' Baylor Study of College Students Reveals," bit.ly/1Ey3lKB. (Table data stored in Cell Phone Activity).

a. Construct a bar chart, a pie or doughnut chart, and a Pareto chart.

b. Which graphical method do you think is best for portraying these data?

c. What conclusions can you reach concerning how college students spend their time using cellphones?