Class intervals in a grouped frequency distribution are given as $4 - 11, 12 - 19, 20 - 27$ $28 - 35, 36 - 43 .$ Write the next two class intervals.

Open in App

Solution

Given class interval :
$4 - 11$ , $12 - 19$ , $20 - 27$ , $28 - 35$ , $36 - 43$
The next two class intervals are $44 - 51$ , $52 - 59$
length of each class interval is $8$ .
Class marks are :
Class Interval Class marks
$4 - 11$ $7.5$
$12 - 19$ $15.5$
$20 - 27$ $23.5$
$28 - 35$ $31.5$
$36 - 43$ $39.5$
$44 - 51$ $47.5$
$52 - 59$ $55.5$

Suggest Corrections

Similar questions

Q. If the class intervals of a frequency distribution be

16 - 25, 26 - 35, 36 - 45, 46 - 55

, then determine
(a) the class limits and class boundaries of the class

36 - 45

(b) the class size and the class mark of the class interval

26 - 35

In a grouped frequency distributions, the class intervals are 1-10, 11-20, 21-30,....The class width is

Q. The class intervals in a frequency distribution are:
40 – 44, 45 – 49, 50 – 54,........ If the frequency distribution, is converted into a continuous frequency distribution then the class intervals are _________.

Q. Marks of 30 students are listed in the ungrouped distribution as given below.

18, 32, 54, 67, 23, 1, 23, 21, 10, 19, 81, 17, 24, 12, 45, 65, 67, 80, 23, 12, 11, 12, 21, 3, 10, 45, 47, 34, 85, 43.

If this distribution is converted into grouped frequency distribution, what is the length of class interval if number of class interval is 7 ?

Prepare a frequency distribution by inclusive method taking class interval of 7 from the following data.
28,17,15,22,29,21,23,27,18,12,7,2,9,4,6,1,8,3,10,5,20,16,12,8,4,33,27,21,15,9,3,36,27,18,9,2,4,6,32,31,29,18,14,13,15,11,9,7,1,5,37,32,28,26,24,20,19,25,19,20

Join BYJU'S Learning Program

Class intervals in a grouped frequency distribution are given as 4−11,12−19,20−27 28−35,36−43. Write the next two class intervals.

Given class interval :4−11, 12−19, 20−27, 28−35, 36−43The next two class intervals are 44−51, 52−59length of each class interval is 8.Class marks are :Class Interval Class marks 4−11 7.5 12−19 15.5 20−27 23.5 28−35 31.5 36−43 39.5 44−51 47.5 52−59 55.5

Class intervals in a grouped frequency distribution are given as $4 - 11, 12 - 19, 20 - 27$ $28 - 35, 36 - 43 .$ Write the next two class intervals.