Sample Test Paper for Class 10- Statistics


 Que 1 --If mean of

7,10,4,12,x,3 is 7.5 find value of x

Que 2 --The marks obtained by students

14,11,23,14,18,7,8,5

a) find mean

b) find mean if marks are increased by 5 marks

Que 3---Marks obtained by 40 students

-Marks    Number of Students -

5.                            6

6.                           . A
7.                          16
8.                         13
9.                           . B 

If  mean is 7.2 find value of A and B


Que 4----Find. Mean for given data 

Class - Interval.   Frequency

80--100.            . 20
100--- 120.       30
120 -- 140       20
140-- 160.       40
160 -- 180.     . 90


. Que 5-- Find mean for following for data
Marks. Number of Students
11--20. 2
21-- 30. 6
31-- 40. 10
41-- 50. 12
51 -- 60. 9
61 - 70 7
71 --80. 4 


Que 6 ---
Find mean for following data
Life time (days). Number of bulbs
Less than 50 70
Less than 100. 21
Less than 150. 52
Less than 200. 79
Less than 250 91
Less than 300. 100


Que 7 --If mean is 24 find value of "A "
Marks. Number of students
0. --10. 7
10---20. A
20-- 30. 8
30 --- 40 10
40 --- 50. 5


Que 8 ---
The median of the observations. 11,12,14,18,(x+4), 30,32,35,41 is 24 find value of x

Que 9 --- If 10,13,15,18,x+1,x+3,31,36,38,42 are observations with median 28 find value of x


Que 10 ---
For following frequency distribution find upper limit of median class
Class Frequency
0--5 8
5--10. 10
10--- 15. 19
15--20. 25
20-- 25 8

  Que 11
Draw a less than ogive graph for following frequency distribution
Class. Frequency
0---10 7
10 ---20. 14
20--30. 13
30-- 40 12
40--50 20
50 -- 60 11
60 --- 70 15
70 -. 80 8


Que 12--- Following table shows the age of patients admitted in hospital find the mode
Age. Number of Patients
5--15. 60
15---25. 110
25 -- 35 210
35-- 45. 230
45-- 55 150
55--65. 50

Que 13 --- Draw MORE than ogive graph for following data
Weight (kg) Number of Students
40---44. 4
44--- 48. 10
48---- 52. 30
52--- 56. 24
56--- 60. 18
60 ---- 64. 12
64--- 68. 2

Thu Nov 17, 2022

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