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Question: Answered & Verified by Expert
If in a frequency distribution table with 12 classes, the width of each class is $2.5$ and the lowest class boundary is $6.1$. then what is the upper class boundary of the highest class?
MathematicsStatisticsNDANDA 2007 (Phase 2)
Options:
  • A 30 .
  • B $27.6$
  • C $30.6$
  • D $36.1$
Solution:
2940 Upvotes Verified Answer
The correct answer is: $36.1$
Given : lowest class boundary $=6.1$ Class width $=2.5$, Number of elasses $=12$
$\Rightarrow$ Upper class boundary of the highest class $=6.1+(2.5 \times 12)=6.1+30=36.1$

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