15 students in a class got the following Mark's in an assignment. 2,4,6,8,1,9,10,7,6,2,4,8,6,6,2 the assignment was for 10 Mark's. a) arrange in table from using tally marks.
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(a) The students who obtained their marks equal to or more than 7 are the students who obtained their marks as either of 7, 8, and 9. Hence, number of these students = 5 + 4 + 3 = 12
(b) The students who obtained their marks below 4 are the students who
obtained their marks as either of 1, 2, and 3.
Hence, number of these students = 2 + 3 + 3 = 8
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