The measure of central tendency which can't be found graphically is
Mean
Median
Mode
None of these
The daily sale of Kerosene (in litres ) in a ration shop for six days is as follows :
75 , 120 , 12 , 50 , 70.5 and 140.5. The average daily sale is
150
10
142
78
What are the average marks obtained by the students?
57
63
80
48
In which subject is the student poor?
English
Mathematics
Science
History
Which of the following is true?
Mode = 3 median + 2 mean
Mode = 3 median - 2 mean
Mode = 2 median + 3 mode
Mode = 2 median - 3 mean
The arithmetic mean of first ten natural numbers is
5.5
6
7.5
If the arithmetic mean of 6 , 8 , 5 , 7 , x and 4 is 7 , then x is
12
8
4
The mean of 10 observations is 25. If one observation , namely 25 , is deleted , the new mean is
25
20
28
22
If mode = 80 and mean = 110 , then the median is
110
120
100
90
Which of the following is not a measure of central tendency?
Standard deviation
