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1) Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irre

ID: 3273131 • Letter: 1

Question

1)

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, 1993." Each payroll voucher was inspected and the following frequency distribution was compiled.


The median number of errors per voucher is __________.

3.67

5

3.25

400

3

2)

Statistical measures used to yield information about the middle parts of a group of numbers are called the measures of _____.

a)dispersion

shape

central tendency

range

variability

3)

For the mean to be used appropriately, the data must be at least _____ level.

nominal

categorical

nonmetric

ordinal

interval

ERRORS 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

Explanation / Answer

The median number of errors per voucher is 5

Statistical measures used to yield information about the middle parts of a group of numbers are called the measures of

central tendency

For the mean to be used appropriately, the data must be at least nominal level