In an examination 25 students secured the following Mark's 23 ,28 ,30, – InterviewSolution

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In an examination 25 students secured the following Mark's 23 ,28 ,30, 32 ,35, 35 ,36 ,40, 41, 43 ,44 ,45, 45 , 48, 49, 52, 53 ,54, 56, 56, 58, 61, 62,65,68(i)arrange these data in the from of following frequency distribution using the class intervals:20-29,30-39,40-49,50-59and60-69.(ii)arrange the data with cumulative frequency

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Answer is 25.........

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