Measures Of Central Tendency And Dispersion
- 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.
Both (i) and (ii)
- D.
None of these.
- 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.
None of these.
- 3.Which of the following statements is wrong?
- A.
Mean is rigidly defined
- B.
Mean is not affected due to sampling fluctuations Ensues
- C.
Mean has some mathematical properties
- D.
All these
- 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.
AM
- B.
GM
- C.
Median
- D.
Mode
- 6.The presence of extreme observations does not affect
- A.
AM
- B.
Median
- C.
Mode
- D.
Any of these.
- 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.
Any of these
- 8.The most commonly used measure of central tendency is
- A.
AM
- B.
Median
- C.
Mode
- D.
Both GM and HM
- 9.Which one of the following is not uniquely defined?
- A.
Mean
- B.
Median
- C.
Mode
- D.
All of these measures
- 10.Which of the following measure of the central tendency is difficult to compute?
- A.
Mean
- B.
Median
- C.
Mode
- D.
Gm
- 11.Which measure(s) of central tendency is(are) considered for finding the average rates:
- A.
AM
- B.
GM
- C.
HM
- D.
Both (ii)and(iii)
- 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.
Both (i) and (iii).
- 14.Which of the following results hold for a set of distinct positive observations?
- A.
AM >= GM >= HM
- B.
HM >= GM >= AM
- C.
AM > GM > HM
- D.
GM > AM > HM
- 15.When a firm registers both profits and losses, which of the following measure of central tendency cannot be considered?
- A.
AM
- B.
GM
- C.
Median
- D.
Mode
- 16.Quartiles are the values dividing a given set of observations into
- A.
Two equal parts
- B.
Four equal parts
- C.
Five equal parts
- D.
None of these
- 17.Quartiles can be determined graphically using
- A.
Histogram
- B.
Frequency Polygon
- C.
Ogive
- D.
Pie chart
- 18.Which of the following measure(s) possesses (possess) mathematical properties?
- A.
AM
- B.
GM
- C.
HM
- D.
All of these
- 19.Which of the following measure(s) satisfies (satisfy) a linear relationship between two variables?
- A.
Mean
- B.
Median
- C.
Mode
- D.
All of these
- 20.Which of he following measures of central tendency is based on only fifty percent of the central values?
- A.
Mean
- B.
Median
- C.
Mode
- D.
Both (i) and(ii)
Questions: 15 | Attempts: 12358 | Last updated: Mar 3, 2021
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