STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Find the mean of these numbers:5, 5, 6, 6, 7, 8, 9, 9, 10, 10, 11
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7.81
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7.82
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7
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8
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Explanation:
Detailed explanation-1: -Thus, the arithmetic mean of the given numbers will be 7.
Detailed explanation-2: -Mean=total observationssum of observations=105+6+9+10+6+12+3+6+11+10=1078=7.
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