Answer

In a random sample of 63 families in a suburb, the data on the number of automobiles per family was organized as given in table: X a 1 z 3 4 5 s f 11 21 12 s 5 5 3 Compute the mean number of automobiles per family. )0 1 car per family 1) O 3 cars per family )0 2 cars per family )0 20 cars per family