Identify the following key terms from the given study. In order to determine the average number of fleas on a dog in the Anywhere U.S.A. shelter, we randomly select 20 of the 2,431 dogs housed there. One dog had 0 fleas, another had 131, and yet another had 72. The total sample had an average of 52.4 fleas per dog. - Sample - Variable - Population - Parameter - Statistic - Data 52.4 fleas per dog All dogs in the Anywhere U.S.A. Shelter The average number of fleas on a dog in the Anywhere U.S.A. shelter The 20 randomly selected dogs The values 0, 131 and 72 The number of fleas on a single dog