Which of the following is a fundamental difference between the t statistic and a z-score?
A)The t statistic uses the sample mean in place of the population mean.
B)The t statistic uses the sample variance in place of the population variance.
C)The t statistic computes the standard error by dividing the standard deviation by n - 1 instead of dividing by n.
D)All of these are differences between t and z.

Question

Quizplus · Accepted Answer

The t statistic uses the sample variance (s^2) to estimate the population variance (σ^2), which is a key difference from the z-score that uses the known population variance.

Which of the Following Is a Fundamental Difference Between the T