Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc

Multiple Choice

Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc.,suspects irregularities in the payroll system. She knows that 2,500 payroll vouchers have been issued since January 1,2000,and her staff doesn't have time to inspect each voucher. So,she orders her staff to inspect the last 200 vouchers. Her sample is a ___________.

A) stratified sample
B) simple random sample
C) convenience sample
D) systematic sample
E) cluster sample