A Lab Orders a Shipment of 100 Rats a Week

Multiple Choice

A lab orders a shipment of 100 rats a week, 52 weeks a year, from a rat supplier for experiments that the lab conducts. Prices for each weekly shipment of rats follow the distribution below:

Suppose the mean cost of the rats turned out to be $13.13 per week. Interpret this value.

A) The average cost for all weekly rat purchases is $13.13.
B) The rat cost that occurs more often than any other is $13.13.
C) Most of the weeks resulted in rat costs of $13.13.
D) The median cost for the distribution of rat costs is $13.13.