Consider the following set of data.
Pairs 1 2 3 4 5
Sample A 1 3 1 3 8
Sample B 8 1 1 2 8
(a) Determine the paired differences, d = A - B, for this set of data.
(d1)
(d2)
(d3)
(d4)
(d5)
(b) Find the mean d of the paired differences. (Give your answer correct to one decimal place.)
(c) Find the standard deviation sd of the paired differences. (Give your answer correct to two decimal places.)