Statistics: Paired Sample Data and
Normally Distributed Population
Assume that the paired data came
from a population that is normally distributed. Using a 0.05 significance
level, find d, sd, the test statistic, and the critical values to test the
claim that ud = 0.
Xi 4 12 6 8 13 13 12 12
Yi 8 15 11 9 11 8 14 14





