Rahim, a first-year auditor, is asked to select a sample of invoices to audit the utility expense account. Below is the account detail.
The audit program asks to select a sample of four items.
Month Balance
January..................... 15,245
February..................... 12,973
March..................... 11,359
April..................... 9,326
May..................... 6,380
June ..................... 4,558
July..................... 2,901
August ..................... 2,837
September..................... 3,690
October..................... 5,890
November..................... 9,823
December..................... 14,906
(a) Using a random number generator in Excel, determine which months will be selected.
(b) Using systematic selection, determine which four months will be selected.
(c) Using haphazard selection, determine which four months will be selected.
(d) Using block selection, determine which four months will be selected.