The Table Below Summarizes Results from an Experiment in Which

question 27

Multiple Choice

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. Identify the
Discordant pairs of results.

• A) The discordant pairs of results are (1) the 13 subjects who were asthmatic before the treatment and nonasthmatic after the treatment, and (2) the 12 subjects who were nonasthmatic before the treatment and nonasthmatic after the treatment.
• B) The discordant pairs of results are (1) the 13 subjects who were nonasthmatic before the treatment and asthmatic after the treatment and (2) the 2 subjects who were asthmatic before the treatment and nonasthmatic after the treatment.
• C) The discordant pairs of results are (1) the 2 subjects who were nonasthmatic before the treatment and asthmatic after the treatment, and (2) the 7 subjects who were asthmatic before the treatment and asthmatic after the treatment.
• D) The discordant pairs of results are (1) the 2 subjects who were nonasthmatic before the treatment and asthmatic after the treatment, and (2) the 13 subjects who were asthmatic before the treatment and nonasthmatic after the treatment.

---

Definitions:

Equality Operator

A symbol used in programming languages to compare two values for equality, typically represented by "==".

Default Cases

A branch in switch statements in programming that executes if no case labels match the switch expression.

Positive Number

A positive number is a number that is greater than zero, found on the right side of zero on a number line.

Scanner Object

An object used in Java to parse primitive types and strings using regular expressions from an input source such as a file or standard input.