Question

147 Complete the following table.
Tally marks
Classes (age)
12-13
Frequency (No. of students)
Z
13-14
N NN NN
14-15
15-16
N=Sf= 35
Imp
TY​

Answer 1

Answer:

The frequency table for the marks of 40 students of class VIII in an examination is given below:

Range of Marks Tally Marks Frequency

0−5 |||| |||| 9

5−10 |||| |||| 9

10−15 |||| || 7

15−20 |||| |||| 9

20−25 |||| |