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 100Explanation / 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
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