1.
Measures of central tendency for a given set of observations measures
A. 
The scatterness of the observations
B. 
The central location of the observations
C. 
D. 
2.
While computing the AM from a grouped frequency distribution, we assume that
A. 
The classes are of equal length
B. 
The classes have equal frequency
C. 
All the values of a class are equal to the mid-value of that class
D. 
3.
Which of the following statements is wrong?
A. 
B. 
Mean is not affected due to sampling fluctuations Ensues
C. 
Mean has some mathematical properties
D. 
4.
Which of the following statements is true?
A. 
Usually mean is the best measure of central tendency
B. 
Usually median is the best measure'of central tendency
C. 
Usually mode is the best measure of central tendency
D. 
Normally, GM is the best measure of central tendency
5.
For open-end classification, which of the following is the best measure of central tendency?
A. 
B. 
C. 
D. 
6.
The presence of extreme observations does not affect
A. 
B. 
C. 
D. 
7.
In case of an even number of observations which of the following is median ?
A. 
Any of the two middle-most value
B. 
The simple average of these two middle values
C. 
The weighted average of these two middle values
D. 
8.
The most commonly used measure of central tendency is
A. 
B. 
C. 
D. 
9.
Which one of the following is not uniquely defined?
A. 
B. 
C. 
D. 
10.
Which of the following measure of the central tendency is difficult to compute?
A. 
B. 
C. 
D. 
11.
Which measure(s) of central tendency is(are) considered for finding the average rates:
A. 
B. 
C. 
D. 
12.
For a moderately skewed distribution, which of he following relationship holds?
A. 
Mean - Mode = 3 (Mean - Median)
B. 
Median - Mode = 3 (Mean - Median)
C. 
Mean - Median = 3 (Mean - Mode)
D. 
Mean - Median = 3 (Median - Mode)
13.
Weighted averages are considered when
A. 
The data are not classified
B. 
The data are put in the form of grouped frequency distribution
C. 
All the observations are not of equal importance
D. 
14.
Which of the following results hold for a set of distinct positive observations?
A. 
B. 
C. 
D. 
15.
When a firm registers both profits and losses, which of the following measure of central tendency cannot be considered?
A. 
B. 
C. 
D. 
16.
Quartiles are the values dividing a given set of observations into
A. 
B. 
C. 
D. 
17.
Quartiles can be determined graphically using
A. 
B. 
C. 
D. 
18.
Which of the following measure(s) possesses (possess) mathematical properties?
A. 
B. 
C. 
D. 
19.
Which of the following measure(s) satisfies (satisfy) a linear relationship between two variables?
A. 
B. 
C. 
D. 
20.
Which of he following measures of central tendency is based on only fifty percent of the central values?
A. 
B. 
C. 
D. 
21.
If there are 3 observations 15, 20, 25 then the sum of deviation of the observations from their AM is
A. 
B. 
C. 
D. 
22.
What is the median for the following observations? 5, 8, 6, 9, 11, 4.
A. 
B. 
C. 
D. 
23.
What is the modal value for the numbers 5, 8, 6, 4, 10, 15, 18, 10?
A. 
B. 
C. 
D. 
24.
What is the GM for the numbers 8, 24 and 40?
Options :
A. 24
B. 12
C.
D. 10
A. 
B. 
C. 
D. 
25.
The harmonic mean for the numbers 2, 3, 5 is
Options :
A. 2.00
B. 3.33
C. 2.90
D.
A. 
B. 
C. 
D.