# Study The Frequency Polygon

Warning: Illegal string offset 'alt_text' in /home/resultwa/public_html/edupil.com/wp-content/themes/edupil155/includes/theme.php on line 742

Warning: Illegal string offset 'description' in /home/resultwa/public_html/edupil.com/wp-content/themes/edupil155/includes/theme.php on line 743

The marks obtained by 273 examinees is shown by the frequency polygon. Give that mean marks is 59.5. Study the frequency polygon and answer O. Nos 1 to 4

1. The number of examinees getting more than average marks is

1. 72
2. 105
3. 152
4. 164

2. Percentage of the students who got above 80% marks is

1. 9.81
2. 10.53
3. 11.28
4. 11.72

3. Percentage of the students got marks above 60% and below 80% is

1. 43.95
2. 48.39
3. 51.06
4. 56.84

4. If 40 is the pass marks, percentage of students failed is…………..

1. 14.56
2. 15.84
3. 16.11
4. 17.25
Anurag Mishra Professor Asked on 20th July 2015 in

Warning: Illegal string offset 'alt_text' in /home/resultwa/public_html/edupil.com/wp-content/themes/edupil155/includes/theme.php on line 742

Warning: Illegal string offset 'description' in /home/resultwa/public_html/edupil.com/wp-content/themes/edupil155/includes/theme.php on line 743

Explanation:-
The average marks of examiners = 59.5
The number of examiners who more than the average marks = 72 + 48 + 24 + 8 = 152
Hence, the answer is (3) 152.

2. Answer :  (4) 11.72 %
Explanation:-
The total number of students = 2 + 4 + 12 + 26 + 35  + 42 + 72 + 48 + 24 + 8 = 273
The number of students who got above 80% marks = 24 + 8 = 32
Percentage of the students who got above 80% marks = 32 x 100/273 = 11.72 %
Hence, the answer is (4) 11.72% .

Explanation:-
The total number of students = 2 + 4 + 12 + 26 + 35  + 42 + 72 + 48 + 24 + 8 = 273
The number of students who got above 60 % and below 80% = 72  + 48 = 120
Percentage of the students got marks above 60% and below 80% = 120 x 100/273
=43.95%
Hence, the answer is (1) 43.95%.