A statistically significant difference between two sample groups is NOT likely to be
A) a reflection of differences between the populations they represent.
B) due to chance variation within and between the sample groups.
C) observed more than 5 percent of the time the groups are compared.
D) observed when the two groups are very large.

Question

Quizplus · Accepted Answer

A statistically significant difference suggests that the observed difference is not likely due to random chance but rather reflects a true difference between the populations. Choices A, C, and D do not align with the concept of statistical significance, which aims to determine if observed differences are likely not due to chance.

A Statistically Significant Difference Between Two Sample Groups Is NOT