When s is used to estimate σ, the margin of error is computed by using the
A) normal distribution.
B) t distribution.
C) mean of the sample.
D) mean of the population.

Question

Quizplus · Accepted Answer

When s is used to estimate σ, the margin of error must be computed using the t distribution because the t distribution accounts for the increased uncertainty that comes from using the sample standard deviation instead of the population standard deviation.

When S Is Used to Estimate σ, the Margin of Error