Timothy wants to estimate the mean number of siblings for each student in his school. He records the number of siblings for each
of 75 randomly selected students in the school. What is the statistic? (A) the specific number of siblings for each randomly selected student
(B) the 75 randomly selected students
(C) the mean number of siblings for the randomly selected students
(D) the mean number of siblings for all students in the school
(E) all the students in the school