Lisa is decorating her office with two fully stocked aquariums. She saw an advertisement for Jorge's pet store in the newspaper. Jorge's store sells fish for aquariums. The table shows the fish Lisa buys from Jorge's pet store.
Jorge tells each customer that the total lengths, in inches, of the fish in an aquarium cannot exceed the number of gallons of water the aquarium contains.
What is the mean price of all the fish Lisa buys for her aquarium?
$3.39
To calculate the mean price of all the fish Lisa buys for her aquarium, the total cost of the fish is divided by the number of fish purchased. The calculated mean price, based on the given data, is $3.39.
While this price might be a tempting option, it does not accurately reflect the average of the fish prices purchased by Lisa. The total cost of the fish and the number of fish need to be considered to find the correct mean price, which is higher than $2.99.
This choice is significantly higher than the average price calculated from the data. It may represent the price of an individual fish or a combination of fish, but it does not represent the mean price across the total number of fish that Lisa buys.
Though this price is closer to the average range, it still does not match the calculated mean price of $3.39. The mean is derived from the total cost divided by the number of fish, confirming that $5.14 is not the correct average.
The mean price of the fish Lisa purchases from Jorge's pet store is accurately calculated at $3.39. This value is determined by dividing the total expenditure on the fish by the quantity purchased, ensuring a precise measurement that reflects the average cost per fish. Understanding the calculation of mean prices enables informed budgeting for aquarium maintenance and ensures compliance with guidelines such as tank capacity.
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