Sheffield | 26-ITP-jan | Richard Frimpong | Sprint 1 | Data Groups Fix

[Richiealx]

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Self checklist

• I have titled my PR with Region | Cohort | FirstName LastName | Sprint | Assignment Title
• My changes meet the requirements of the task
• I have tested my changes
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Changelist

Completed the Sprint 1 - Fix exercise for the Data Groups module.

Fix: calculateMedian

Fixed the implementation of the calculateMedian function in:

Improvements made

• Ensured the function correctly calculates the median value of an array
• Handles both odd and even length arrays
• Filters out non-numeric values
• Returns null when no numeric values are present
• Avoids mutating the original input array
• Ensures compatibility with the existing Jest tests

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Testing

All tests were run locally using:

cd Sprint-1
npm test -- fix

Result:

All tests passed successfully.

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