Determine whether each data set description represents a sample or complete information? Final grades earned by all 30 students enrolled in a math class:

Names of states on license plates for every fifth car on two floors of a parking garage at the mall:

Number of emails received in one account every day from the day it was created until it was canceled:

Number of pennies, nickels, dimes, quarters, and other types of currency contained in a piggy bank:

Price of a specific brand and flavor of soup based on search engine results for national supermarket chains: