A researcher records the level of attention among 18 students during an interactive and lecture portion of a single class.If she computes a related-samples t test at a .05 level of significance (two-tailed test),then what are the critical values for this test?
A) ±1.734
B) ±1.740
C) ±2.110
D) ±2.101

Question

Quizplus · Accepted Answer

The critical values for the related-samples t test with a .05 level of significance (two-tailed test) and 17 degrees of freedom are ±2.110. Therefore, the correct choice is C.

A Researcher Records the Level of Attention Among 18 Students