True or False: It is not permissible at any point in the CRISP-DM process to return to an earlier step.

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Multiple Choice

True or False: It is not permissible at any point in the CRISP-DM process to return to an earlier step.

Explanation:
CRISP-DM is iterative and non-linear. You don’t have to move forward in a strict sequence; it’s normal to revisit earlier phases as you learn more or as new issues arise. For example, discovering data quality problems or realizing the chosen data doesn’t fully address the business goal can send you back to data understanding or data preparation. Or you might rethink the business objective after modeling results show a mismatch with real-world needs. This looping back is a supported and expected part of the process, not a violation. Since you can return to earlier steps when needed, the statement is false.

CRISP-DM is iterative and non-linear. You don’t have to move forward in a strict sequence; it’s normal to revisit earlier phases as you learn more or as new issues arise. For example, discovering data quality problems or realizing the chosen data doesn’t fully address the business goal can send you back to data understanding or data preparation. Or you might rethink the business objective after modeling results show a mismatch with real-world needs. This looping back is a supported and expected part of the process, not a violation. Since you can return to earlier steps when needed, the statement is false.

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