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1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
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1
The most frequently occurring observation is called ________________.
Mean
Median
Mode
Range
2
Tally marks are used to find which of the following?
Frequency
3
The mode of the data : 12, 8, 4, 8, 1, 8, 9, 11, 9, 10, 12, 8 Is ____________.
9
11
4
8
The mode of a set of observations is the value which :
Occurs most frequently
Is central
Is between maximum and minimum
None of the foregoing
5
If the arithmetic mean of 6, 8, 5, 7, x and 4 is 7, then x is
12
6
Find the Range of the Given data: 50, 53, 50, 51, 48, 93, 90, 92, 91, 90
48
45
44
43
7
Find the frequency of Class 60-80 by using the given data:
17
77
70
Find the Range of : 71, 72, 70, 75, 73, 74, 75, 70, 74, 72
Find the Frequency of class 80-100 by using the given data:
10
The inclusive form of class boundary is defined as ________________________________________.
The class interval is defined as lower limit inclusive and the upper limit exclusive.
The true limit of a class is obtained by subtracting 0.5 from the lower limit of the class and the true upper limit of the class is obtained by adding 0.5 to the upper limit.
It is equal to half of the sum of the lower and upper limits of a class
None of these
____________________ means to arrange the numerical data so that it can be analysed for the purpose of arriving at an informed conclusion.
Primary data
Organised data
Data interpretation.
Secondary data
Which of the following statement is not true regarding range of data:
1. It tells us how widely the numbers are spread.
2. It is the difference of the highest and the lowest observation.
3. It is the average number of observations.
Only 1
Only 2
Only 3
1, 2 and 3
13
The difference between the maximum and minimum observation in the data is _________________
Class Interval
Class Mark
14
3. To calculate it we find the maximum and the minimum value in the data, and then the difference between the two is calculated.
Only 1 and 2
Only 2 and 3
Only 1 and 3
15
Which of the following statement is true regarding range of data: