A Researcher Is Conducting a Matched?pairs Study

Multiple Choice

A researcher is conducting a matched?pairs study. She gathers data on each pair in the study resulting in: Assume that the data are normally distributed in the population. The level of significance is selected to be 0.10. If a two-tailed test is performed, the null hypothesis would be rejected if the observed value of t is ___.

A) less than -1.533 or greater than 1.533
B) less than -2.132 or greater than 2.132
C) less than -2.776 or greater than 2.776
D) less than -1.860 or greater than 1.860
E) less than -2.000 or greater than 2.000