A coin is tossed once, the probability of getting a tail is ________.
0
1
1/2
1/4
If a data set has an even number of observation, the median ______.
Can not be determined
Is the average value of the two middle items
Must be equal to the mean
None of the above
For a given data highst value - lowest value ?
Mean
Median
Range
Meandeviaton about mean
The range of the following data is 21, 6, 7, 9, 4, 8, 13, 19.
7
15
13
17
The median of the following scores 20, 30, 40, 50, 60, 70
35
30
40
45
In a T.T match between Geeta and Ritu, the probability of the winning of Ritu is 0.73. Then the probability of winning Geetha is _________.
0.25
0.27
0.3
In a single throw of a dice, the probability of getting a number less than 7 is _____.
1/7
1/6
What is the chance of sun rising at midnight tonight is _____.
2
100
The most common value in a data is the ______ of the data.
Mode
None of these
Mean = ______.
Sum of all observations + Total Number of observations
Sum of all observations - Total Number of observations
Sum of all observations × Total number of observations