Wednesday 7 September 2011

CBSE_NCERT Class 10 chapter Statistics (mean, median and mode and Ogive) Test Paper

Q1 - If the mean of the following data is 20.6, find the value of p.


x:
10
15
p
25
35
f:
3
10
25
7
5

Q2 - If the mean of the following data is 20, find the value of p
 
x:
15
17
19
21
23
f:
2
3
4
5p
6

Q3 -The distribution below gives the weight of 30 students in a class. Find the median weight of students.

Weight (in Kg.)
40-50
50 - 60
60 - 70
70-80  
F:
5
14
9
2
 
Q4 -If the median of the following frequency distribution is 46. Find the missing frequency.  

Variable
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Total
F:
12
30
P
65
q
25 
18
229

Q5 - The total number of marks scored by class in test is given below. Find the mean. 

Below 20
4
Below 40
12
Below 60
30
Below 80
44
Below 100
50

Q6 - Find the median class of the following data:

Marks Obtained
0-10
10-20
20-30
30-40
40-50
50-60
Frequency
8
10
12
22
30
18

Q7 -Find the mean by direct methos for the following data:

Classes
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Frequency
4
8
10
12
10
4
2

Q8 - Find the mean of following frequency distribution:


Class-inetrval:
0-10
10-20
20-30
30-40
40-50
No. of workers:
7
10
15
8
10

Q9- If the mean of the following distribution is 27, find the value of p:

Class-interval
0-10
10-20
20-30
30-40
40-50 
No. of Workers
8
p
12
13
10

Q10 -Find the mean of the following frequency distributions:

Class-interval
0-6
6-12
12-18
18-24  
24-30 
No. of Workers
6
8
10
9
7

Q11 - Find the median for the following data:

Classes
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Frequency
4
8
10
12
10
4
2

Q12- Find the mode for the following data:
Classes
10-20
20-30
30-40
40-50
50-60
60-70
70-80
Frequency
4
8
10
12
10
4
2
  
Q13 -Compute the mode for the following frequency distribution.

Size of items:
0-4
4-8
8-12
12-16
16-20
20-40
24-28
28-32
32-36
36-40
Frequency:
5
7
9
17
12
10
6
3
1
0


5 comments:

  1. Where can I find the answers?

    ReplyDelete
  2. Where can I find the answers?

    ReplyDelete
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  3. good questions where can i find answers for these questions

    ReplyDelete
  4. Posting the answers as well will make it easier for cross-checking the student's written answers. If possible, please post the answers also.

    ReplyDelete