1) The following data show the method of payment by 16 customers in a supermarket checkout line. Here, C refers to cash, CK to check, CC to credit card, and D to debit card, and O stands for other. a....

1) The following data show the method of payment by 16 customers in a

supermarket checkout line. Here, C refers to cash, CK to check, CC to credit

card, and D to debit card, and O stands for other.
a. Construct a frequency distribution table.
b. Calculate the relative frequencies and percentages for all categories.
c. Draw a pie chart for the percentage distribution.