Question

te. 18. The following list is a record of the grades of 40 students in a Mathematics test.
B C A D F A B C C B
0 C C A B D F C DC
B B D F A D B D F F
C F C B D C C A DC
a) Construct a frequency table for the data.
b) What is the grade obtained by the most number of students?
c) Find the percentage of students who obtained grade A or grade B.​

Answer 1

Answer:

SOLUTION:

i) as per the table students obtained marks equal to 7 or more than equal to 7 are 5+4+3=12

hence, 12 students obtained marks equal to or more than equal to 7.

ii) as per the table students obtained marks below 4 are 2+3+3=8

hence, 8 students have obtained marks below 4.