1. Which of the following is a statistical derivative?
A. Percentage
B. Ratio
C. Rate
D. All of the above
2. On multiplication by………….., the percentage frequencies are obtained
A. 1
B. 100
C. 50
D. None of the above
3. It expresses the relative value of frequencies by comparing any one group to either total number of cases or any other group
A. Percentages
B. Proportion
C. Ratio
D. Any of the above
4. It is defined as the ratio of a part to a total which includes that part also
A. Interpret Ratio
B. The Distribution
C. Ratio Rate
D. Time Ratio
5. Which of the following is a type of ratio?
A. The Distribution
B. Ratio Interpret
C. Ratio Time Ratio
D. All of the above
6. It is a measure of the number of times a value occurs in relation to the number of times the value could occur, i.e. number of actual occurrences divided by number of possible occurrences
A. Rate
B. Ratio
C. Percentage
D. None of the above
7. The concept of ………. may be extended to the rate.
A. Ratio
B. Percentage
C. Neither (a) nor (b)
D. Both (a) and (b)
8. It is a ratio of a part in a total to another part in the same total
A. Rate
B. Interpret ratio
C. The Distribution Ratio
D. Time ratio
9. This ratio is a measure which expresses the changes in a series of values arranged in a time sequence and is typically shown as percentage
A. Time ratio
B. The Distribution
C. Ratio Interpret ratio
D. None of the above
10. Time ratios can be
A. Those employing a fixed base period
B. Those employing a moving period
C. Both (a) and (b)
D. Neither (a) nor (b)
11. What are the properties of an Ideal Measure of Central Tendency?
A. Simple to compute and easy to interpret.
B. Based on all observations
C. Should not be influenced much by a few observations.
D. All of the above
12. A measure of central tendency helps us to represent a set of huge data by a ………… value
A. Single
B. Nil
C. Multiple
D. All of the above
13. Which of the following is a measure of central tendency?
A. Mean
B. Median
C. Mode
D. All of the above
14. Most of the time, when we refer to the average of something, we are talking about
A. Arithmetic Mean
B. Mode
C. Geometric Mean
D. Harmonic Mean
15. For arithmetic mean, Sum of values of all observations are divided by
A. Hundred
B. One
C. Number of observations
D. Weights
16. Half of the items lie above the …………, and the other half lie below it
A. Mean
B. Mode
C. Median
D. None of the above
17. Mean can be computed for
A. Grouped data
B. Ungrouped data
C. Both (a) and (b)
D. Neither (a) nor (b)
18. Mean has the following disadvantages
A. The value of mean may be distorted by the presence of extreme values in a given data set
B. We are unable to compute mean for open-ended classes, since it is difficult to assign a mid-point to the open-ended classes
C. It cannot be used for qualitative variables
D. All of the above
19. What are the disadvantages of Mode?
A. It may not be unique all the time
B. There may be more than one mode or no mode (no value that occurs more than once) at all
C. It is not amenable to arithmetic and algebraic manipulations
D. All of the above
20. It is the value that appears the maximum number of times
A. Mode
B. Mean
C. Median
D. None of the above