What are the average marks obtained by the students?
57
63
80
48
The weight (in kg ) of 5 men are 62,65,69,66 and 61.The median is
45 kg
66 kg
65 kg
55 kg
In which subject is the student poor ?
English
Mathematics
Science
History
Write the ratio of the heights of highest peak and the lowest peak?
22:15
15:22
20 :13
13:22
If in a data, 10 numbers arranged in increasing order.If the 7th entry is increased by 4, then the median increases by
0
4
6
5
The mode of a set of observations is the value which
occurs most frequently
is central
is between maximum and minimum
None of these
The daily earnings (in rupees ) of 10 workers in a factory are 8,16,19,8,16,19,16,8,19,16.The median wage is.
Rs. 17.50
Rs. 8.00
Rs. 19.00
Rs. 16.00
The arithmetic mean of five given numbers is 85.Their sum is
425
85
Between 85 and 425
More than 425
If 6,4,8 and 3 occurs with frequencies 4,2,5 and 1 respectively, then the arithemetic mean is
6.25
6.75
6.5
The mean of 7,9,11,13,x,21 is 13.Then the value of x is
18
19
15
17