In Principle, Why Are T-Statistics and Critical Values Not as Useful

question 17

Multiple Choice

In principle, why are t-statistics and critical values not as useful in the practical construction of confidence intervals in most applications?

• A) Their use is only valid in large samples.
• B) Their use is only valid in small samples.
• C) They are not often found in most software applications.
• D) In large samples (i.e., large degrees of freedom) the t-distribution and standard normal distribution are very similar.

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