Question

The mean deviation and coefficient of mean deviation of 5 observation are 1.2 and 0.4. If the sum of the first four terms is 10, then the fifth term is equal to:

A 4.5 Correct Answer Incorrect Answer
B 5 Correct Answer Incorrect Answer
C 4 Correct Answer Incorrect Answer
D 5.5 Correct Answer Incorrect Answer

Solution

The correct answer is B

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