A.M for the following observation
32 , 267 , 321 , 157 , 33 , 254 , 166 , 132 , 289 , 349 is
267
321
157
200
The middle most observation of a statistical data when they are arranged in ascending order is called
Range
Median
Mode
None of these
What is the median?
1 , 5 , 3 , 7 , 10 , 5 , 4.
5
6
7
10
The arithmetic mean of first n natural number is
n/2
n/2 + 1
(n + 1)/2
(n -1)/2
The arithmetic mean =
Sum of observations × Number of observations
Product of observations ÷ Number of observations
Sum of observations ÷ Number of observations
Sum of observation - Number of observations
The difference between the largest and the smallest data value is the
Variance
Mean
The median of the following data is
45 , 49 , 42 , 56 , 41 , 36 , 34 , 38 , 41 , 40 , 42 , 41 , 39 , 40 , 39 , 36 , 41?
40
39
38
41
What is the mean of
-9 , 8 , 9 , 0 , 3 , 4 , 9 , 4 , 2 , 0.
3
4
The average age of 5 students is 60 years then their total age =
300
250
400
The mode of the 45 , 49 , 42 , 56 , 41 , 36 , 34 , 38 , 41 , 40 , 42 , 41 , 39 , 40 , 39 , 36 , 41 is
49
56
