FREE USPS Error Detection Test Character Transposition Errors Questions and Answers

Question 1

When comparing an original address to one entered into a system, which of the following pairs BEST demonstrates a numeric transposition error in the street number?

Accepted Answer

Original: 6519 MAPLE DR, System: 6591 MAPLE DR

Answer

A transposition error occurs when two adjacent characters are swapped. In the correct answer, the '1' and '9' in the street number '6519' have been swapped to '6591'. The other options show different types of errors, such as multiple errors or non-adjacent character swaps.

Question 2

A data entry operator is tasked with keying in addresses from handwritten forms. Which of the following entered ZIP codes is most likely the result of a character transposition error from the original '80218-3456'?

Accepted Answer

80218-3546

Answer

A transposition error involves swapping two adjacent characters. In this case, the '5' and '4' in the ZIP+4 code '3456' were swapped to become '3546'. The other options represent substitution errors or non-adjacent transpositions.

Question 3

During a quality check, you are comparing two lines of data. Which statement accurately identifies the error type between the Correct and Incorrect strings?

Correct: 4713-B NW 16TH PL
Incorrect: 4173-B NW 16TH PL

Accepted Answer

A transposition error in the street number.

Answer

The error is a transposition because the adjacent digits '7' and '1' in the street number '4713' have been swapped to '4173'. All other parts of the address line are identical.

Question 4

An automated sorting machine flags an address for manual review. The system-read address is '9821 S MAIN ST' but the database suggests a potential match to '8921 S MAIN ST'. What specific type of error has most likely occurred?

Accepted Answer

Character Transposition

Answer

The error is a character transposition because the first two adjacent digits, '9' and '8', have been swapped. This is a common type of data entry error that automated address validation systems are designed to catch.

Question 5

Which of the following scenarios describes a classic character transposition error that could delay mail processing?

Accepted Answer

An operator types '921 N PINE ST' instead of '291 N PINE ST'.

Answer

This is a classic transposition error where the adjacent digits '9' and '2' at the beginning of the street number have been swapped. The other options describe a substitution ('S' for '5'), an incorrect street suffix, and an insertion error.

USPS Error Detection Test Practice Test

USPS Error Detection Test Practice Test

FREE USPS Error Detection Test Character Transposition Errors Questions and Answers