The mean of 9, 11, 13, P, 18, 19 is P. Then the value of P is
10
12
14
15
For any collection of n items,
∑x
n
0
If mode = 80 and mean = 110 then the median is
110
120
100
90
The width of a rectangle in a histogram represents
mid values of the class
class interval
frequency of the class
numbers of class
The mean and median of a data are 14 and 15 respectively.The value of mode is
16
17
13
18
Which of the following is true?
Mode = 3 Median + 2 Mode
Mode = 3 Median - 2 Mean
Mode = 2 Median + 3 Mode
Mode = 2 Median - 3 Mean
The mode when median is 125.6 and mean is 128 is
120.8
119.7
120.5
119.8
Which of the following is not a measure of central tendency?
Median
Standard deviation
Mean
Mode
What measure of central tendency is obtained graphically as the x - coordinate of the point of intersection of the two ogive for grouped data?
None of these
A data has 25 observations (arranged in descending order). Which observation represents the median?
12th
13th
14th
15th
