A circular chart divided into sectors to represent the given data is called
bar graph
histogram
pie chart
none of these
The most common value in a data is the ______ of the data.
median
mode
mean
An out come of a random experiment is called a/ an
sample space
event
data
probability
The appropriate line representative value for the following situation is to know the performance of students in a maths test is
all
The median of 49, 48, 15, 20, 28, 17,14 and 110 is
24
30
48
49
The marks in science of 13 students are 31, 37, 29, 41 , 35, 35, 38, 36, 35, 38, 32, 29, 42.Then their mean mark is
35.30
36
37
40
If a data set has an even number of observations, the median is
cannot be determined
is the average value of the two middle items
must be equal to the mean
none of the above
Which of the following is not a measure of central tendency.
variance
The mode of 1,2,2,3,3,4,4,4, is
2
3
4
none
The mean of 1st five even numbers is
5
6
8
10