You are thinking of using a t-table to find a 95 percent confidence interval for the mean μ of a population.The distribution of the population is normal and the population standard deviation is unknown.A random sample of size n is drawn from this population.You may use the t-distribution only if the sample size n is small.

Question

Quizplus · Accepted Answer

The t-distribution can be used for any sample size when the population standard deviation is unknown, but it is especially useful for small sample sizes. For large samples, the t-distribution approaches the normal distribution.

You Are Thinking of Using a T-Table to Find a 95