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If the heights of a group of children are 138 cm, 140 cm, 136 cm, 141 cm, 142 cm, and 137 cm, what is the median height?
  • a)
    140 cm
  • b)
    141 cm
  • c)
    139 cm
  • d)
    138 cm
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
If the heights of a group of children are 138 cm, 140 cm, 136 cm, 141 ...
To find the median, first arrange the heights: 136 cm, 137 cm, 138 cm, 140 cm, 141 cm, 142 cm. With six values (even), the median is the average of the third and fourth values: (138 + 140) ÷ 2 = 139 cm. The median provides a more reliable central tendency than the mean when data is skewed.
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