The sign of the observed t value (i.e. ,whether it is positive or negative)is a crucial element in conducting the t test for independent samples.

Question

Quizplus · Accepted Answer

The sign of the observed t value indicates the direction of the difference between the means of the two groups, but it does not affect the significance level of the test. The p-value, which is used to determine significance, is derived from the absolute value of the t statistic.

The Sign of the Observed T Value (I