Home (/cbse-ncert/) / Class 10 (/cbse-ncert/class-10/) / Math (/cbse-ncert/class-10/Math.html)
/ CBSE- Statistics (/cbse-ncert/class-10/Math/CBSE-Statistics.html) / Sample Questions
Statistics-Sample Questions
Sample Questions
Important Questions (/cbse-ncert/class-10/Math/CBSE-Statistics-ImportantQuestions.html)
Notes (/cbse-ncert/class-10/Math/CBSE-Statistics-Notes.html)
MCQ (/cbse-ncert/class-10/Math/CBSE-Statistics-MCQ.html)
NCERT Solutions (/cbse-ncert/class-10/Math/CBSE-Statistics-NCERTSolutions.html)
Sample Papers (/cbse-ncert/class-10/Math/CBSE-Statistics-SamplePapers.html)
STATISTICS
PREVIOUS YEAR QUESTIONS
1. Write the empirical relation between mean, mode and median.(AI CBSE 2009 C)
2. Write the median class of the following distribution:(CBSE 2009)
Class
Frequency
0-10
4
1020
2030
3040
4050
5060
6070
4
8
10
12
8
4
3. What is the modal class of the following distribution.(CBSE 2009 F)
Age (in
Number of
years)
patients
0-10
16
10-20
13
20-30
6
30-40
11
40-50
27
50-60
18
4. Find the median (AI CBSE 2008)
Marks
Frequency
0-10
8
10-20
10
20-30
12
30-40
22
40-50
30
50-60
18
5. Find the class marks of classes 10-25 and 35-55 (AI 2008F)
6. What is the median class of the grouped data(AI CBSE 2008 C)
Class
Frequency
128-135
8
135-142
5
142-149
9
149-156
12
156-163
5
163-170
1
7. Find the missing frequencies when the mean of dats is 53. (CBSE 2008)
Age (in
years)
Number of
people
0-20
20-40
40-60
60-80
80-100
Total
15
F1
21
F2
17
100
8. The following table gives production yield per hectare of wheat of 100 farms of a village.( AI CBSE 2009 C)
Production
Number of
yield
farms
40-45
4
45-50
6
50-55
16
55-60
20
60-65
30
65-70
24
Change the distribution to a ‘more than type’ distribution and draw its ogive.
9. The distribution below gives the weights of 30 students of a class. Find the mean and median weight of students
(CBSE 2009 C)
Weight (in
Number of
kgs)
students
40-45
2
45-50
3
50-55
8
55-60
6
60-65
6
65-70
3
70-75
2
10. The lengths of 40 leaves of a plant are measured correct up to the nearest millimetre and the data is as under:
Length (in
Number of
mm)
leaves
118-126
4
126-134
5
134-142
10
142-150
12
150-158
4
158-166
5
Find the mean and median length of the leaves (CBSE 2009 C)