If the Variances of the Two Populations Are Not Equal

question 10

True/False

If the variances of the two populations are not equal, it is appropriate to use the "pooled" formula to determine the t-statistic for the hypothesis test of the difference in the two population means.

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Definitions:

Adducts

The movement of a limb or other part toward the midline of the body or toward another part.

Swan-neck Deformity

A condition characterized by hyperextension of the proximal interphalangeal joint and flexion of the distal interphalangeal joint of the fingers, often associated with rheumatoid arthritis.

Ulnar Deviation

A hand condition where the fingers bend towards the ulna bone and the outer side of the forearm, often associated with rheumatoid arthritis.

Rheumatoid Arthritis

A chronic autoimmune condition causing inflammation, pain, and deformity in the joints.