9. If the class marks of the frequency distribution are 12.5, 15.5, 18,5, 21.5, 24.5, 27.5, 30.5, 38.5
find the distribution (classes) and their width.
marks cach)
Answers
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Answer:
26
Step-by-step explanation:
upper limit-lower limit
38.5-12.5
=26 Answer
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