Which Is Not True of the Two-Tailed F-Test for Equality

question 107

Multiple Choice

Which is not true of the two-tailed F-test for equality of variances?

• A) It requires reversing the numerator and denominator d.f.to obtain the left-tail critical value.
• B) It can be avoided by "folding" the larger variance into the numerator and adjusting  .
• C) It is fairly robust to the presence of nonnormality in the populations being sampled.

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Definitions:

Levator Scapulae

A muscle in the back that elevates the scapula (shoulder blade).

Scapula

The shoulder blade, a large, flat, triangular bone situated on the posterior of the shoulder, connecting the humerus (upper arm bone) with the clavicle (collar bone).

Serratus Anterior

A muscle located on the side of the chest, playing a crucial role in the movement and rotation of the shoulder blade (scapula).

Pectoralis Minor

A thin, triangular muscle located beneath the pectoralis major, involved in movements of the scapula including downward rotation and depression.