The following chart was developed to compare defects in two projects.

The chart compares the number of defects in two projects across defect types, so the valid conclusion is about the pattern or distribution of defects. A defect profile shows how defects are distributed by category, such as type, source, severity, component, or cause. The chart supports the conclusion that the two projects have different defect profiles because the defect counts differ across the defect-type categories. It does not prove that the projects have the same defect rates, because a defect rate requires a denominator such as size, effort, time, or function points. It also does not provide phase-by-phase defect-removal data. Therefore, no conclusion can be drawn about which project removed more defects per phase. The correct answer is B.

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