Question: 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

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 ________.

Group of answer choices

a "wrong format" problem

dirty data

non-integrated data

a "too much data" problem

inconsistent data

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