A sociologist studying freshmen carried out a survey, asking (among other questions) how often students went out per week, how many hours they studied per day, and how many hours they slept at night. The tables below provide the answers on the time slept and the time spent studying by whether or not students went out. For both groups of students, those who go out and those who stay in the dorm, students who study more:
A)sleep less.
B)sleep more.
C)sleep the same.
D)Sleeping and studying are unrelated.

Question

A sociologist studying freshmen carried out a survey, asking (among other questions) how often students went out per week, how many hours they studied per day, and how many hours they slept at night. The tables below provide the answers on the time slept and the time spent studying by whether or not students went out.  For both groups of students, those who go out and those who stay in the dorm, students who study more:
A)sleep less. 
B)sleep more. 
C)sleep the same. 
D)Sleeping and studying are unrelated.

Quizplus · Accepted Answer

The tables show that for both groups of students, those who study more tend to sleep less. Therefore, the best choice is A.

A Sociologist Studying Freshmen Carried Out a Survey, Asking (Among