Which of the Following Statements Is Not True About the Sign

question 15

Multiple Choice

Which of the following statements is not true about the sign test for paired data?

• A)The sign test is a nonparametric test that can be used in place of the paired t-test.
• B)The sign test is a nonparametric test based on the median of a population.
• C)The sign test is similar to the paired t-test in that both are based on examining differences between paired observations.
• D)The sign test is a nonparametric test based on the mean of a population.

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Definitions:

Measured Variables

Variables in a study that are quantified or labeled based on empirical observation or experiment.

Independent Variable

The factor in a study that is deliberately changed by the investigator to see how it influences the outcome variable.

Statistically Significant Interaction

An interaction between variables that leads to a difference in outcomes which is unlikely to be due to chance alone, according to statistical analysis.

Means

Statistical averages that are calculated by adding up all the numbers in a set and then dividing by the count of those numbers.