If mode = 80 and mean = 110 , then the median is
110
120
100
90
The mean and median of a data are 14 and 15 respectively. The value of mode is
16
17
13
18
The mean of 994 , 996 , 998 , 1000 and 1002 is
992
1004
998
None of these
A data has 25 observations (arranged in descending order).Which observation represents the median?
12th
13th
14th
15th
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 mean of x , x + 3 , x + 6 , x + 9 and x + 12 is
x + 6
x + 3
x + 9
x + 12
In which subject is the student poor?
English
Mathematics
Science
History
The arithmetic mean of first ten natural numbers is
5.5
6
7.5
10
Which of the following is not a measure of central tendency?
Median
Standard deviation
Mean
Mode
The arithmetic mean of first n natural number
n/2
n/2 + 1
