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.

Question

Quizplus · Accepted Answer

In large samples, the t-distribution approaches the standard normal distribution, making the use of t-statistics and critical values less necessary in constructing confidence intervals.

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