Measures of Central Tendency — Economics STD 11 Commerce — Question
CBSE BoardEnglish MediumSTD 11 CommerceEconomicsMeasures of Central Tendency1 Mark
Question
Find the mean of first 8 odd numbers.
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Answer
The first 8 odd numbers are 1, 3, 5, 7, 9, 11, 13 and 15.$\text{Mean}(\overline{\text{X}})=\frac{\sum\text{X}}{\text{n}}$
$\therefore\ \overline{\text{X}}=\frac{1+3+5+7+9+11+13+15}{8}=\frac{64}{8}=8$
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