Question
Define an average and explain the essentials of a good average.
✓
Answer
An average specifies a single most representative value to describe the data set.Essentials of a good average are:
- It is simple to understand.
- It is easy to calculate.
- It is based on all the observations.
- It should not be unduly affected by the value of extreme items.
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15
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District
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3
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4
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5
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6
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X-seires
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Y-series
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Mean
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15
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