21 questions
The range of the data : 21, 6, 17, 18, 12, 8, 4, 13 is
17
12
8
15
Most frequent occurring value in a series is called
Mode
Median
Mean
None of these
The mean of the first five natural numbers is
4.5
4
3.5
3
The mean of the first five whole numbers is
4
3
2
3.5
The number of students in different classes of a school are 33, 38, 48, 33, 34, 34, 33 and 24. The mode of this data is
24
34
33
48
The median of the data : 3, 4, 5, 6, 7, 3, 4 is
5
3
4
6
Out of 5 brands of chocolates in a shop, a boy has to purchase the brand which is most liked by children. What measure of central tendency would be most appropriate if the data is provided to him?
Mean
Mode
Median
Any of the three
Let x, y, z be three observations. The mean of these observations is
On tossing a coin, the outcome is
only head
only tail
neither head nor tail
either head or tail
A given data set can have only one mode
True
False
The mean of first five prime numbers is
5
6
5.6
5.8
The probability of an event which is impossible to happen is
1
0
0.5
None of these