An inference that the main sources of variability within cross-sectional cohort data relate to aging is usually a(n) _______ hypothesis.
A) solid
B) proven
C) grounded
D) unfounded
E) true

Question

Quizplus · Accepted Answer

The statement presents an inference that aging is the main source of variability within cross-sectional cohort data, but it is not a proven or grounded hypothesis. Therefore, the best answer is D, unfounded hypothesis.

An Inference That the Main Sources of Variability Within Cross-Sectional