Question

if the mean if the numbers 6,7,x,8,y,16 is 9 then

Answer 1

hiiii viewer here's the answer to the given question

➡formula is sum of observations/no of observations

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Answer 2

then the answer will be
mean = sum of observation ÷ no. of obser.
9 = 37 + x + y÷6
x+y+37=54
x + y =17