Find the mean of the following data 11,14,15,17,19,14.If x is added to the number the new mean is 14, find the value of x
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11+14+15+17+19+14 = 90÷6 =15
if a new number is added
the new mean is 14
so, 14×7=98
98-90 = 8
new no. is 8
value of x is 8
if a new number is added
the new mean is 14
so, 14×7=98
98-90 = 8
new no. is 8
value of x is 8
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