If the mean of 6, 7, 10, x, 9, 12, 11 is 8 then find the value of xplease tell the answer correctly with correct numbers
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Answer:
x= 1
Step-by-step explanation:
mean of 6, 7, 10, x, 9, 12, 11 = (6+7+10+x+9+12+11)/7 = 8
=> (55+x)/7 = 8
=> 55+x = 8×7 = 56
=> x = 56-55 = 1
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