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100 surnames were randomly picked up fro...

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of leltters in the English alphabet in the surnames was obtained as follows .
`{:("Number of letters ","Numberse of surnames"),(1-4,6),(4-7,30),(7-10,40),(10-13,16),(13-16,4),(16-19,4):}`
Determine the median number of letters in the surnames .

Text Solution

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The correct Answer is:
median=8.05
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