Which of the following measures of central tendency cannot be calculated by graphical method?
Options
AMean
BMode
CMedian
DQuartile
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Central Tendency & DispersionMTP Mar 21Question 2894 of 473
All Questions Correct Answer
✅ Option a — Mean
All Options:
- AMean
- BMode
- CMedian
- DQuartile
Detailed Solution & Explanation
**Step 1: Check graphical methods for each measure.**
- **Median**: Can be read from the ogive (cumulative frequency curve) by locating on the y-axis.
- **Mode**: Can be determined graphically from a histogram (by drawing lines from the highest bar to adjacent bars).
- **Quartiles**: Can be read from the ogive by locating and .
- **Mean**: Cannot be directly read from a graph; it requires computation from raw data or frequency table.
**Step 2: Conclusion.**
**Mean** cannot be calculated by graphical methods.
**Note:** The `correct_option` is C (Median), but this is incorrect. Median IS obtainable graphically from an ogive. Mean cannot be obtained graphically. The correct answer is **Mean (Option A)**.
Hence, **Option A** is the correct answer.
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