Which of the following statements about the t distribution with degrees of freedom df is (are) true?

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Which of the following statements about the t distribution with degrees of freedom df is (are) true?

I. It is symmetric.

II. It has more variability than the t distribution with df + 1 degrees of freedom.

III. As df increases, the t distribution approaches the standard Normal distribution.

(a) I only

(c) III only

(e) I, II, and III

(b) II only

(d) I and III

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The Practice Of Statistics

ISBN: 9781464108730

5th Edition

Authors: Daren S. Starnes, Josh Tabor

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