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

Question

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

Quizplus · Accepted Answer

When s is used to estimate the population standard deviation σ, the margin of error is computed using the t distribution, which takes into account the sample size and the degrees of freedom. Therefore, the best choice is B.

When S Is Used to Estimate σ\sigmaσ ,The Margin of Error Is Computed by Using A)normal Distribution

When S Is Used to Estimate $\sigma$ ,The Margin of Error Is Computed by Using
A)normal Distribution