# Q : 1      In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks. 8 1 3 7 6 5 5 4 4 2 4 9 5 3 7 1 6 5 2 7 7 3 8 4 2 8 9 5 8 6 7 4 5 6 9 6 4 4 6 6 (a) Find how many students obtained marks equal to or more than 7.                                                 (b) How many students obtained marks below 4?

 Marks Obtained Tally Marks Number of  Students 1 $\mid \mid$ 2 2 $\mid \mid \mid$ 3 3 $\mid \mid \mid$ 3 4 $\bcancel{\mahsf{\mid \mid \mid \mid }} \mid \mid$ 7 5 $\bcancel{\mahsf{\mid \mid \mid \mid }} \mid$ 6 6 $\bcancel{\mahsf{\mid \mid \mid \mid }} \mid \mid$ 7 7 $\bcancel{\mahsf{\mid \mid \mid \mid }}$ 5 8 $\mid \mid \mid \mid$ 4 9 $\mid \mid \mid$ 3 Total 40

(a) Number of  students who obtained marks equal to or more than 7 = 5 + 4 + 3 = 12

(b) Number of  students who students obtained marks below 4 = 3 + 3 + 2 = 8

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