Question

Case study based-3
Student – Teacher Ratio
Student – teacher ratio expresses the relationship between the
number of students enrolled in a school and the number of teachers that
school. It is important for a number of reasons. For example, it can be an
indicator of the amount of individual attention any child is likely to receive,
keeping in mind that not all class size are going to be same.
The following distribution gives the state wise student – teacher ratio in
higher secondary schools of India (28 states and 8 UT’s)
Number of
students
per teacher

Number of
states/UT’S

Number of
students
Per teacher

Number of
states/UT’s
15 – 20 3 35 – 40 3
20 – 25 8 40 – 45 0
25 – 30 9 45 – 50 0
30 – 35 10 50 – 55 2
(1)The mode of the above data is
(a) 25.5 (b) 30.6 (c) 35.2 (d) 38.3
(2) The mean of the above data is
(a) 29.2 (b) 30.5 (c) 38.3 (d) 40.1
(3) The modal class is
(a) 20 – 25 (b) 40 – 45 (c) 30 - 35 (d) 50 – 55
(4) The sum of class marks of 25 – 30 and 45 – 50 is
(a) 62 (b) 70 (c) 75 (d) 85
(5)The sum of upper and lower limits of modal class is
(a) 55 (b) 65 (c) 85 (d) 75

Answer 1

Answer:

Answer of this qiestion

1) B

2) A

3) C

4) C

5) B

Answer 2

Answer:

Answer for the above questions,

1) B

2) A

3) C

4) C

5) B

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