Find the mean of the following frequency distribution table class interval 0-15 15 -30 30 -45 45 -60 60- 75 75- 80 frequency 37, 45 ,27, 9 ,7, 3
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this the frequency tanow of mean no of observation / totol no. observation
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f7y third DJ Hero yyyggggbvvbbvvvvvvvvvvb
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