STATISTICAL TECHNIQUES AND TOOLS
MEASURE OF ARITHMETIC MEAN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the arithmetic mean of 2, 10, 6, 4, 4, 6, 4, 1, 7, 8, 2, 2, 9, 5, 3, 7, 3, 2, 8, 7
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100
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2
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20
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5
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Explanation:
Detailed explanation-1: -One method is to calculate the arithmetic mean. To do this, add up all the values and divide the sum by the number of values. For example, if there are a set of “n” numbers, add the numbers together for example: a + b + c + d and so on. Then divide the sum by “n”.
Detailed explanation-2: -The arithmetic mean = Sum of observationsTotal number of observations = 2+3+4+5+6+7+8+98 = 448 = 5.5. Q.
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