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7 The median of the following observations arranged in ascending order is 25 findind Ď11, 13, 15, 19, x +2, x+ 4,30, 35, 39, 46. Also find the mean |
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Answer» Numbers are in ascending order 11,13,15,19,x+2,x+4,30,35,39,46 10 terms so median = (5th term+6th term)/2 = 25 x+2+x+4 = 50 2x = 40 x = 20 numbers 11,13,15,19,22,24,30,35,39,46 Mean = (11+13+15+19+22+24+30+35+39+46)/10 = 254/10 = 25.4 If you find this answer helpful then like it. |
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