USPS Error Detection Test Data Entry Discrepancy Checks Questions and Answers

Question 1

A data entry operator is inputting a tracking number.
The correct number is `940011O935` but it is entered as `940011093S`.
This type of discrepancy, where characters are replaced by visually similar ones, is best described as what kind of error?

Accepted Answer

Substitution Error

Answer

Transposition Error

Answer

Omission Error

Answer

Insertion Error

Question 2

A reference container ID is `AD78831B902`. Which of the following entered IDs contains exactly two errors when compared to the reference ID?

Accepted Answer

`AD78831C912`

Answer

`AD79831B902`

Answer

`AD78831B90`

Answer

`AD78831B902X`

Question 3

A clerk is verifying a short manifest list against system entries. Which of the following line items shows a discrepancy between the Manifest Record and the System Entry?

Accepted Answer

Manifest: `GH773411P`, System: `GH77341LP`

Answer

Manifest: `XB455198Z`, System: `XB455198Z`

Answer

Manifest: `PL200987K`, System: `PL200987K`

Answer

Manifest: `TR516023F`, System: `TR516023F`

Question 4

In high-accuracy data entry environments, a "double-entry" or "key-verify" system is often used. What is the primary principle behind this method for reducing discrepancies?

Accepted Answer

Two different operators enter the same data, and the system flags any mismatches for review.

Answer

The system automatically corrects common spelling and numerical errors using a predefined dictionary.

Answer

A single operator enters the same data twice to ensure they remember it correctly.

Answer

The data is entered once and then visually verified on the screen by the same operator.

Question 5

When performing a manual data entry check, you find a clear discrepancy between a handwritten form and the data entered into the system. What is the most appropriate immediate next step?

Accepted Answer

Flag the entry for review by a supervisor or according to standard operating procedure.

Answer

Assume the system is correct and ignore the handwritten form.

Answer

Correct the system data to match the handwritten form without further investigation.

Answer

Delete the entire record from the system and re-enter it from scratch.

Question 6

An international package requires a 13-character customs ID. Compare the ID on the document to the one entered in the system. How many characters are in error?

Document ID: `UA9I8827S31US`
System ID:   `UA918827531US`

Accepted Answer

Two

Answer

One

Answer

Three

Answer

Four

A data entry operator is inputting a tracking number.The correct number is `940011O935` but it is entered as `940011093S`.This type of discrepancy, where characters are replaced by visually similar ones, is best described as what kind of error?

A data entry operator is inputting a tracking number.
The correct number is `940011O935` but it is entered as `940011093S`.
This type of discrepancy, where characters are replaced by visually similar ones, is best described as what kind of error?