The mean of 19 observations is 13. Three more observations are include – McqOptions

MCQOPTIONS

1.	The mean of 19 observations is 13. Three more observations are included and the new mean becomes 13.5. Mean of three new observationsA. 15B. 16.66C. 18.88D. 19
A.	C
B.	B
C.	A
D.	D
Answer» C. A

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