An auditor for a hardware store chain wished to compare the efficiency of two different auditing techniques. To do this he selected a sample of nine store accounts and applied auditing techniques A and B to each of the nine accounts selected. The number of errors found in each of techniques A and B is listed in the table below:

Errors in A Errors in B
45 31
48 37
46 39
48 37
52 54
50 45
49 49
40 41
45 50

Does the data provide sufficient evidence to conclude that the number of errors in auditing technique A is greater than the number of errors in auditing technique B at the 0.1 level of significance? Select the [Rejection Region, Decision of Reject (RH0) or Failure to Reject (FRH0)]. (Hint: the samples are dependent)

a) [t < -1.4, FRH0]b) [t > 1.4, FRH0]c) [-t < 1.4 and t < 1.4, RH0]d) [z < -1.4 and -z < -1.4, FRH0]e) [t < -1.4 or -t < -1.4, RH0]f) None of the above