The marks scored by $40$ students of class IX in Mathematics are given below:
$55, 81, 68, 79, 85, 43, 29, 68, 54, 73, 47, 35, 72, 64, 95, 44, 50, 77, 64, 35, 79, 52, 45, 54, 70, 83, 62, 64, 72, 92, 84, 76, 63, 43, 54, 38, 73, 68, 54, 52 .$
Prepare a frequency distribution table with class size of $10$ marks.

Open in App

Solution

Organize the data in the frequency distribution table:
Class interval (marks obtained)
Frequency
$20 - 30$
$1$
$30 - 40$
$3$
$40 - 50$
$5$
$50 - 60$
$8$
$60 - 70$
$8$
$70 - 80$
$9$
$80 - 90$
$4$
$90 - 100$
$2$
Hence, the frequency distribution table is made.

Suggest Corrections

Similar questions

The marks scored by 40 students of class IX in mathematics are given below:
$\begin{matrix} 81, & 55, & 68, & 79, & 85, & 43, & 29, & 68, & 54, & 73, & 47, 35, & 72, & 64, & 95, & 44, & 50, & 77, & 64, & 35, & 79, & 52, 45, & 54, & 70, & 83, & 62, & 64 & 72, & 92, & 84, & 76 & 63 43, & 54, & 38, & 73, & 68, & 52, & 54 \end{matrix}$
Prepare a frequency distribution with class size of 10 marks.

Q. Marks scored by

30

students of class

V I

are as given below:

38, 46, 33, 45, 63, 53, 40, 85, 52, 75, 60, 73, 62, 22, 69, 43, 45, 33, 47, 41, 29, 43, 37, 49, 83, 44, 55, 22, 35

and

45

.
State:
the highest marks scored

Marks scored by 30 students of class VI are as given below:
38, 46, 33, 45, 63, 53, 40, 85, 52, 75, 60, 73, 62, 22, 69, 43, 45, 33, 47, 41, 29, 43, 37, 49, 83, 44, 55, 22, 35 and 45.

State :
(iii) The range of marks.

Q. The following are the marks (out of 100) of 60 students in mathematics.
16, 13, 5, 80, 86, 7, 51, 48, 24, 56, 70, 19, 61, 17, 16, 36, 34, 42, 34, 35, 72, 55, 75, 31, 52, 28, 72, 97, 74, 45, 62, 68, 86, 35, 85, 36, 81, 75, 55, 26, 95, 31, 7, 78, 92, 62, 52, 56, 15, 63, 25, 36, 54, 44, 47, 27, 72, 17, 4, 30. Construct a grouped frequency distribution table with width 10 of each class, in such a way that one of the classes is

10 - 20

(20 not included).

Q. The marks obtained by

50

students in a Mathematics test with maximum mrks of

100

are given as follows.
43, 88, 25, 93, 68, 81, 29, 41, 45, 87, 34, 50, 61, 75, 51, 96, 20, 13, 18, 35, 25, 77, 62, 98, 47, 36, 15, 40, 9, 25, 39, 60, 37, 50, 19, 86, 42, 29, 32, 61, 45, 68, 41, 87, 61, 44, 67, 30, 54, 8.
Prepare a frequency table for the above data using class interval.

Join BYJU'S Learning Program

Class interval (marks obtained)	Frequency
$20 - 30$	$1$
$30 - 40$	$3$
$40 - 50$	$5$
$50 - 60$	$8$
$60 - 70$	$8$
$70 - 80$	$9$
$80 - 90$	$4$
$90 - 100$	$2$

The marks scored by 40 students of class IX in Mathematics are given below:55,81,68,79,85,43,29,68,54,73,47,35,72,64,95,44,50,77,64,35,79,52,45,54,70,83,62,64,72,92,84,76,63,43,54,38,73,68,54,52. Prepare a frequency distribution table with class size of 10 marks.

Organize the data in the frequency distribution table:Class interval (marks obtained) Frequency 20-30130-40340-50550-60860-70870-80980-90490-1002Hence, the frequency distribution table is made.

Organize the data in the frequency distribution table:
Class interval (marks obtained)
Frequency
$20 - 30$
$1$
$30 - 40$
$3$
$40 - 50$
$5$
$50 - 60$
$8$
$60 - 70$
$8$
$70 - 80$
$9$
$80 - 90$
$4$
$90 - 100$
$2$
Hence, the frequency distribution table is made.