A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table: Why is the table NOT a frequency table?
A) The number of males does not equal the sum of males that smoke and do not smoke.
B) The classes are not mutually exclusive.
C) There are too many classes.
D) Class limits cannot be computed

Question

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table:  Why is the table NOT a frequency table?
A) The number of males does not equal the sum of males that smoke and do not smoke. 
B) The classes are not mutually exclusive. 
C) There are too many classes. 
D) Class limits cannot be computed

Quizplus · Accepted Answer

A frequency table is a table that summarizes the counts or percentages of observations in each category or interval. In this table, the classes are not mutually exclusive, as a student could both smoke and use e-cigarettes, or neither smoke nor use e-cigarettes. Therefore, it cannot be considered a frequency table.

A Student Was Interested in the Cigarette Smoking Habits of College