InterviewSolution
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1). 202). 243). 264). 28 |
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Answer» The MEAN of 14 observations = 11 ⇒ Sum of 14 observations = 11 × 14 = 154 Let the 15th observation be ‘X’. ⇒ (154 + x)/15 = 12 ⇒ 154 + x = 12 × 15 = 180 ⇒ x = 180 – 154 = 26 ∴ The 15th observation = 26 |
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