Wednesday, September 07, 2011

CBSE Mathematics for Class 10 chapter Statistics 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


18 comments:

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  5. How will we find medial class in Q.4

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