A) 12
B) 13
C) 14
D) 15
Correct Answer: C
Solution :
[c] Total sum of 13 observations \[=14\times 13=182\] Sum of 14 observation \[=7\times 12+7\times 16\] \[=84\times 112=196\] So, the 7th observation \[=196-182=14\]You need to login to perform this action.
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