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The median of the following number arranged in ascending order is 22.5, then find the value of x?20, 20, 21, 21, 22, 22, x, 23, 23, 24, 25, 271. 23.52. 243. 234. 22.5 |
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Answer» Correct Answer - Option 3 : 23 Given: The number are 20, 20, 21, 21, 22, 22, x, 23, 23, 24, 25, 27 The median of ascending order = 22.5 Formula used: When N is even Median = [(N/2 + 1)th + N/2th]/2 Calculation Median = (6th + 7th) ÷ 2 = (22 + x) ÷ 2 ⇒ 22.5 = (22 + x) ÷ 2 ⇒ 45 = 22 + x ⇒ x = 23 ∴ The required value of x is 23. |
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