Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system, and orders an inspection of "each and every payroll voucher issued since January 1, 2000." Each payroll voucher was inspected and the following frequency distribution was compiled. Erors per Voucher Number of Vouchers 0–under 2 500 2-under 4 400 4-under 6 300 6-under 8 200 8-under 10 100 The cumulative frequency of the second class interval is 500 O 1,500 O 900 O 1,000 O 1,200

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