20. case study based -4
The Kendriya Vidyalaya Sangathan is a system of premier central government schools in India
that are instituted under the aegis of the Ministry of Education (MHRD), Government of India. As of
October 2020, it has a total of 1239 schools. It is one of the world’s largest chains of schools. The system
came into being in 1963 under the name ‘Central Schools’. Later, the name was changed to Kendriya
Vidyalaya. It is a non profit organisation. Its schools are all affiliated to the Central Board of Secondary
Education (CBSE). The objective of KVS is to cater to the educational needs of the children of
transferable Central Government employees including Defence and Para-Military personnel by providing
a common programme of education.
Commissioner of Regional office Mumbai preapare a table of the marks obtained of
100 students which is given below-
a) How many students got marks between 80-100?
(a) 21 (b)38 (c)17 (d) 26
b) What is the lower limit of modal class ?
(a) 20 (b) 40 (c) 60 (d) 80
c) What is the value of modal marks ?
(a) 58 (b)62 (c) 65 (d) 68
d) What is the value of median marks ?
(a) 58 (b) 62 (c) 65 (d) 56.19
(e) What is the upper limit of median class ?
(a) 20 (b) 40 (c) 60 (d) 80
Marks obtained 0-20 20-40 40-60 60-80 80-100
Number of students 15 18 21 29 p
Answers
Answered by
1
Answer:
i) 17
ii) 60
iii) 68
iv)58
v) 60
Step-by-step explanation:
i) the number of students are - 10015+ 18+21+29p
=100-83p = 17
ii) the lower limit of model class is 60
iii)68 is the value of model marks.
iv)58 is the value of median marks
v) 60 is the upper limit of median class.
FINAL ANSWER-
i) -. c
ii)-. c
iii) -. d
iv) - a
v) -. c
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Answered by
1
Answer: (a) c
(b) c
(c) d
(d) a
(e) c
Step-by-step explanation:
Answers :
(a) 17
(b ) 60
(c ) 68
(d )58
(e ) 60
Explanation :
(a ) The number of students are :
10015 + 18 + 21 + 29p
=100-83p
= 17
(b ) The lower limit of model class is 60
(c ) The value of model marks is 68
(d ) median mark is 58
(e ) Upper limit of median class is 60
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