Question

data are collected on the 35 students in a college history course. which of the following is not a variable for the data set? a student birth month b political affiliation of student c student age d student address e number of students in the data set

Explanation:

A variable is a characteristic that can take different values. The number of students in the dataset (E) is a fixed count (35 here) and doesn't vary. Other options (birth month, political affiliation, age, address) can have different values for different students.

Answer:

E. Number of students in the data set