Assume that a small (n 30) sample is randomly selected from a normally distributed population for which is unknown Construction of a confidence interval should use the t distribution, but how are the confidence interval limits affected if the normal distribution is incorrectly used instead ...

For any the z value is smaller than the corresponding t value a ...

Assume that a small (n 30) sample is randomly selected from a normally distributed population for

Question:

Assume that a small (n ≤ 30) sample is randomly selected from a normally distributed population for which σ is unknown. Construction of a confidence interval should use the t but how are the confidence interval limits affected if the normal is incorrectly used instead?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...