Question

The better measure of central tendency when ind important is 1)Mean 2) Mode 3) Median f the mean of 4,x,6,9,9,y and 13 is 8 then 1) x+y=15 2) x-y=16 3) xy=16 he mid value of the class 10-19 is 1)9 2)10 3)14.5 he median of the observations 3,18,6,16,12 an 1)11 2)10 3)12.​

Answer 1

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• mean
• xy=16
• 10
• 12