Which of the Following Is True About Student's T-Models

question 647

Multiple Choice

Which of the following is true about Student's t-models?
I. They are unimodal, symmetric, and bell-shaped.
II. They have fatter tails than the Normal model.
III. As the degrees of freedom increase, the t-models look more and more like the Normal.

• A) I and II
• B) I, II, and III
• C) II and III
• D) I only
• E) I and III

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