CBSE · Class 10 · Mathematics · StatisticsIf each observation of a raw data is increased by 5, then their mean:
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Total Attempts: 1
Accuracy Rate: 100%
Step-by-Step Solution
When a constant is added to each observation of a dataset, the mean also increases by the same constant. Thus, the mean increases by 5. Therefore, option B is correct.
Detailed Options Breakdown
Option : remains same
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
Option 1: increases by 5 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: decreases by 5
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
Option 3: is multiplied by 5
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Statistics.
💡 Study Guide: This question tests core syllabus concepts from Statistics. For formulas, key summaries, and mock exam reference guides, read the full Statistics Revision Notes.