In a Study Comparing the Systolic Blood Pressure of Individuals $| t | > 1.734$

Multiple Choice

In a study comparing the systolic blood pressure of individuals sitting and standing, 10 subjects had their blood pressure measured in the two conditions. The investigator planned to test the hypothesis that the
Mean blood pressure readings are the same sitting and standing (the subjects remained in each position
For 5 minutes) . If the investigator tests at the 10% level of significance, the rejection region would be

A) $| t | > 1.734$
B) $\mathrm { t } < - 1.833$ or $\mathrm { t } > 1.8333$
C) $| t | > 1.725$
D) $\mathrm { t } > 1.8333$