Question

consider the marks obtained by 22students construct a frequency distribution table​

Answer 1

Explanation:

Given that

the marks obtained by 25 students in a history test in class VI of a school

9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17,19,19,20,9

Frequency Distribution table

Marks No. of students obtained that marks

9 6

12 4

17 4

18 2

19 4

20 3

25 2

we know Range=Highest−Lowest.

∴ Range=Highest marks−Lowest marks

=25−9

Range=16

An