It is appropriate to use parametric tests of statistical significance when:
A)At least one variable in the test has an interval or ratio level of measurement.
B)The tested parameters of the interval or ratio variables are distributed normally in the population.
C)The groups being compared are independent of each other.
D)All of these.

Question

Quizplus · Accepted Answer

Parametric tests require at least one variable with an interval or ratio level of measurement, normally distributed tested parameters, and independent groups being compared. Therefore, all of the choices are necessary conditions for the use of parametric tests.

It Is Appropriate to Use Parametric Tests of Statistical Significance