The following table contains information on a matched-pairs sample.

a. Specify the competing hypotheses that determine whether the median difference between Population 1 and Population 2 is less than zero.
b. With α = 0.05, what is the decision rule?
c. Calculate the value of the test statistic T.
d. Is the median difference between Population 1 and Population 2 less than zero? Explain.

Transcribed Image Text:

Sample 2 21 Sample 1 18 12 21 Number 4 5 6 7 8 23 20 20 17 17 16 17 18