The table below summarizes results from an experiment in which subjects were classified as asthmatic or nonasthmatic and then given a treatment. After the treatment, they were again classified as asthmatic or nonasthmatic. How many
Subjects appeared to be unaffected by the treatment one way or the other?

A) 17
B) 32
C) 15
D) 8

Question

The table below summarizes results from an experiment in which subjects were classified as asthmatic or nonasthmatic and then given a treatment. After the treatment, they were again classified as asthmatic or nonasthmatic. How many
Subjects appeared to be unaffected by the treatment one way or the other?

A) 17 
B) 32 
C) 15 
D) 8

Quizplus · Accepted Answer

To determine the number of subjects unaffected by the treatment, we need to look at the diagonal cells of the table, which represent the number of subjects who stayed in the same classification (asthmatic or nonasthmatic) before and after the treatment. In this case, there are 15 subjects who stayed in the same classification, meaning they were unaffected by the treatment. Therefore, the answer is (C) 15.

The Table Below Summarizes Results from an Experiment in Which