Customers can pay for purchases using cash, check, a debit card, or a credit card. Using only the data collected during the 7-day period, which of the following statements is true?
A The average amount spent per day during the 7-day period can be determined by sorting the data by the total transaction amount, then adding the 7 greatest amounts, and then dividing the sum by 7.
B The method of payment that was used in the greatest number of transactions during the 7-day period can be determined by sorting the data by the method of payment, then adding the number of items purchased for each type of payment method, and then finding the maximum sum.
C The most expensive item purchased on a given date can be determined by searching the data for all items purchased on the given date and then sorting the matching items by item price.
D The total number of items purchased on a given date can be determined by searching the data for all transactions that occurred on the given date and then adding the number of items purchased for each matching transaction.
The correct answer is D: The total number of items purchased on a given date can be determined by searching the data for all transactions that occurred on the given date and then adding the number of items purchased for each matching transaction.
Explanation: This statement accurately describes the process of tallying the total items bought on a specific date by reviewing each transaction from that day and summing the number of items from each transaction, which is a straightforward approach to finding that total. The other options involve incorrect methods or assumptions.