Which Statement Is Not True Concerning the T Distribution

question 25

Multiple Choice

Which statement is not true concerning the t distribution?

• A) Compared to the normal distribution, the t distribution has more area in the tails and less in the center.
• B) As the number of degrees of freedom increases, the t distribution approaches the normal distribution.
• C) The t distributions are skewed to the left.
• D) The population variance is unknown and is estimated by the sample variance s².
• E) As the sample size increases beyond 120, the t and Z distributions are indistinguishable.

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