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प्रश्न
Find the median of 1,3,4, 5, 9, 9 and 11
उत्तर
Given data = 1, 3, 4, 5, 9, 9 and 11
Clearly middle term = 5
∴ Median = 5
Mean = `"Sum of observations"/"Number of observation"`
`= (1 + 3 + 4 + 5 + 9 + 9 + 11)/7`
`= 42/7 = 6`
∴ Mean = 6
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संबंधित प्रश्न
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| Frequency | 10 | 6 | 8 | 12 | 5 | 9 |
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A boy scored following marks in various class tests during a term; each test being marked out of 20.
15, 17, 16, 7, 10, 12, 14, 16, 19, 12 and 16
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| 45 – 50 | 17 |
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