The marks obtained by 35 students in a test in statistics (out of 50) are as below.
35 1 15 35 45 23 31 40 21 13 15
20 47 48 42 34 43 45 33 37 11 13
27 18 12 37 39 38 16 13 18 5 411
47 43
Construct a frequency distribution table with equal class intervals, one of them bez
10-20 (20 is not included).
Answers
frequency distribution table constructed for Marks obtained by 35 students
Step-by-step explanation:
frequency distribution table constructed
0 - 10 2 ( 1 , 5)
10 - 20 10 (15 , 13 , 15 , 11 , 13 , 18 , 12 , 16 , 13 , 18 )
20 - 30 4 (23 , 21 , 20 , 27 )
30 - 40 9 (35 , 35 , 31 , 34 , 33 , 37 , 37 , 39 , 38 )
40 - 50 10 (45 , 40 , 47 , 48 , 42 , 43 , 45 , 41 , 47 , 43 )
cf Less than cf More than
0 - 10 2 2 35
10-20 10 12 33
20-30 4 16 23
30-40 9 25 19
40-50 10 35 10
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The required frequency table is shown below.
Step-by-step explanation:
Consider the provided data.
35, 1, 15, 35, 45, 23, 31, 40, 21, 13, 15, 20, 47, 48, 42, 34, 43, 45, 33, 37, 11, 13,
27, 18, 12, 37, 39, 38, 16, 13, 18, 5, 41, 47, 43.
To draw the frequency distribution table Split the results into intervals, then count the number of results at each interval.
Marks interval Number of students(frequency)
0-10 2
10-20 10
20-30 4
30-40 9
40-50 10
Total 35
The required frequency table is shown above.
#Learn more
In the following grouped frequency distribution table class marks are given.
Class Marks 10 22 34 46 58 70
Frequency 6 14 20 21 9 5
(i) Construct class intervals of the data. (Exclusive class intervals)
Construct less than cumulative frequencies and
(iii) Construct greater than cumulative frequencies.
brainly.in/question/12422562