The mean of 15 observations is 14. Three more observations are include – McqOptions

MCQOPTIONS

1.	The mean of 15 observations is 14. Three more observations are included and the new mean becomes 13. The mean of three new observations is:A. 6B. 7C. 8D. 11
A.	C
B.	D
C.	A
D.	B
Answer» B. D

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