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Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VII of a school: 9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17, 19,19,20,9 What is the range of marks? What is the highest mark? Which mark is occurring more frequently?

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The marks of 20 students in a test were as follows, 2,6,8,9,10,11,11,12,13,13,14,14,15,15,15,16,16,18,19 and 20. Calculate (i) the mean (ii) the median (iii) the mode.

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RD SHARMA ENGLISH-DATA HANDLING-I (CLASSIFICATION AND TABULATION DATA)-All Questions
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