Which of the Following Statements Is True with Respect to the T-Distribution

question 124

Multiple Choice

Which of the following statements is true with respect to the t-distribution?

• A) The t-distribution is symmetrical.
• B) The exact shape of the t-distribution depends on the number of degrees of freedom.
• C) The t-distribution is more spread out than the standard normal distribution.
• D) All of the above are true.

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Definitions:

Nemerteans

The phylum of animals commonly known as ribbon worms; each has a proboscis (tubular feeding organ) for capturing prey.

Proboscis

A long projection originating from an animal's head, particularly in insects, that serves for either eating or detecting stimuli.

Spongocoel

The central cavity of a sponge.

Mesophyll

Photosynthetic tissue in the interior of a leaf; sometimes differentiated into palisade mesophyll and spongy mesophyll.