Question

a) Given below are the marks scored by 80 students in mathematics :<br />80,38,87,40,54,56,56,63,57,81,39,59,42,53,70,33,30,55,64,67,65,58,68,49,21,64,66,69,68,75,76,43,64,86,<br />55,41,71,<br />43,83,44,51,47,27,51,60,37,86,73,89,65,63,77,62,46,36,52,44,52,55,40,50,74,93,78,49,58,81,66,82,50,65,<br />58,72,61,<br />84,40,66,67,57,65,<br />Form a frequency distribution table by using classes 20-30,30-40,40-50 etc​

Answer 1

Answer:

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