If Two Dependent Samples of Size 20 Are Used to Test

question 37

True/False

If two dependent samples of size 20 are used to test the difference between the means,the degrees of freedom for a t-statistic are 19.

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Definitions:

Estrogens

Sex hormones, such as estradiol, that contribute to female sex characteristics and are secreted in greater amounts by females than by males. Estrogen levels peak during ovulation. In nonhuman mammals, this promotes sexual receptivity.

Necrophilia

A pathological attraction to or sexual interest in corpses.

Refractory Period

In neural processing, a brief resting pause that occurs after a neuron has fired; subsequent action potentials cannot occur until the axon returns to its resting state. In human sexuality, a resting period that occurs after orgasm, during which a person cannot achieve another orgasm.

Asexual

Describes an individual who does not experience sexual attraction to others.