Help me with my statistics homework pls How to find the class limits with the given class marks and frequency?

Posted on 2013-11-28 14:54:00 in Statistics by LOREMAE CHRISTINE

Okay, so I was given a frequency polygon which shows only the class marks and frequency and those are



Class marks: 13.7, 14.2, 14.7, 15.2, 15.7,16.2,16.7,17.2

Frequency: 0 , 2 , 10, 12, 7, 5, 4, 0



and I am asked to reconstruct the frequency distribution table but how can I reconstruct it with this small information? From this given, I knew it has 8 intervals and the class width is 0.5 (because of the class mark) and I don't know how to get the total n observation and the range and the highest and lowest value for the class limits.



My point is, How to find the class limits with the given class marks and frequency ONLY?



Please reply as soon as possible because I totally need it for my prelims if this kind of situation shows up.



Thank you! :)

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