The mode of 32, 20, 32, 16, 27, 32 is
16
20
27
32
The arithmetic mean of first n natural numbers is
n/2
n/2 + 1
In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average of the girls?
73
65
68
74
The mode when median is 125.6 and mean is 128 is
120.8
119.7
120.5
119.8
The relationship between mean, median, and mode is
Median = 3 mean - 2 mode
Mode = 3 Median - 2 Mean
Median = 2 Mean - 3 Mode
Mode = 2 Median -3 Mean
Range of the values 20, 18, 37, 42, 3, 12, 15, 26 is
63
42
39
6
If mode = 80 and mean = 110 then the median is
110
120
100
90
The arithmetic mean of a+2, a and a-2 is
a+2
a
a-2
3 a
The values of mean, median and mode coincide, then the distribution is.
Positive skewness
Symmetric distribution
Negative skewness
All of the above
The arithmetic mean of 67, 79, 15, 0, 93, 44, 17 is
45
50
67
80
