In Testing the Difference Between the Means of Two Independent

question 61

Multiple Choice

In testing the difference between the means of two independent populations,the variances of the two samples can be pooled if the population variances are assumed to ____________.

• A)Be unequal
• B)Be greater than the mean
• C)Sum to 1
• D)Be equal

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Definitions:

Physiological Stability

The state of steady internal physical and chemical conditions maintained by living systems necessary for survival.

Psychological Stability

The state of being mentally sound and possessing the ability to maintain a consistent and balanced psychological condition.

Evolutionary

pertaining to evolution, it refers to the processes by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Competitive Sports

Athletic contests that are characterized by rivalry and require skill and effort to win or succeed.