Can a t-stat be negative for the hypothesis test of the population mean of the heights of econometrics students (which will always be positive)?
A) No.
B) Only if the null hypothesized value is positive.
C) Only if the null hypothesized value if negative.
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

The t-statistic can be negative if the sample mean is less than the hypothesized population mean, regardless of whether the hypothesized mean is positive or negative.

Can a T-Stat Be Negative for the Hypothesis Test of the Population