When the data being examined is at the interval or ratio level of measurement a(n)________ can be used to determine if the responses of different subgroups are statistically significant.
A)F-test
B)r-test
C)Chi-square
D)Z-test

Question

Quizplus · Accepted Answer

When the data being examined is at the interval or ratio level of measurement, an F-test is the best choice for determining if the responses of different subgroups are statistically significant. The F-test compares the variances of two or more samples and is commonly used in analysis of variance (ANOVA) to determine if there are significant differences between group means.

When the Data Being Examined Is at the Interval or Ratio