A) 15.75
B) 16.75
C) 17.75
D) 18.75
Correct Answer: C
Solution :
Mean of 11 observations = 17.5 Sum of 11 observation = 192.5 Now, 15 is deleted from the data. Sum of 10 observations =177.5 Mean of remaining of observationsYou need to login to perform this action.
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