We Have Obtained Access to the Company's Operational Data

Multiple Choice

We have obtained access to the company's operational data.We examine 50 records for customers with phone numbers that should use the current area code of 345.Of these 50 records,we find 10 that still use an older area code of 567.This is an example of ________.

A) dirty data
B) inconsistent data
C) nonintegrated data
D) a "too much data" problem