Question

if the mean of ( x1+x2+x3+..........+16)+2*16 /16. is 9 , the mean of the last three observations is

a. 10 1/3
b. 10 2/3
c. 11 1/3
d. 11 2/3​

Answer 1

Answer:

option ç

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Answer 2

Answer:

11 1/3

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