if the mean of the observation
a, a+6, a+2,a+8 and a+4 is 11,find the value of 'a'
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Answer:
a=7
Step-by-step explanation:
a+a+6+a+2+a+8+a+4/5= 11
5a+20= 11×5
5a=55--20
5a=35
a=7
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