Question

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Answer 1

Answer:

(1) The marks obtained by 40 students of a class in examination are given below.ppresent the day in the form of a frequency distribution using equal class size,one such class being 10-15 ( 15 not included)

3, 20, 13, 1, 21, 13, 3, 23, 16, 8, 12, 5, 24, 9, 2, 7, 18, 20, 3, 12, 7, 18, 2, 5, 7, 10, 16, 8, 16, 17, 8, 23, 21, 6, 23, 15

(2) The weekly wages (in Rs) of 30 workers in a factory are. 830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840 Using tally marks make a frequency table with intervals as 800