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This online test contains MCQs about following topics:
Introduction to measures of dispersion . Co-efficent of variation an other relative measures . Moments . Sheppard's correction for grouping error . Skewness
Statistics Ics Part 1 Chapter 4 Online Test
Try The Statistics Ics Part 1 Chapter 4 Online Test
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Total Questions17
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Time Allowed20
Statistics Ics Part 1 Chapter 4 Online Test
00:00
Question # 1
The sum of absolute deviations is a minimum if these deviations are taken from the
Question # 2
Which is a poor measure of dispersion in open-end distribution.
Question # 3
test2
Question # 4
Mean deviation is always.
Question # 5
The mean deviation can never be
Question # 6
Relative depression is of types.
Question # 7
Mean deviationis always.
Question # 8
First central moment is always.
Question # 9
Range can be calculated in open-end classes.
Question # 10
First moment about mean is always equal to
Question # 11
The S.D. of 8,8,8,8,8, is.
Question # 12
If b2 = 3, then the distribution is:
Question # 13
The variance of constant is always
Question # 14
Teh range of the value -2, -4, -6 and -8 is.
Question # 15
The sum of absolute deviation form median is.
Question # 16
For Laptokurtic distribution.
Question # 17
For a moderately skewed dsitribution, whihc of the following emprical formula holds.
ICS Part 1 Statistics Chapter 4 MCQs Test
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ICS Part 1 Statistics Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Why is it necessary to square the difference from the mean when computing the standard deviation. |
A. So that the extreme values will not affect the calculation
B. Some of the differnece will be positive and some will e negative
C. It can change drastically from one data set to the next
D. It is determined by only two points in the data set
|
| 2 | test2 |
A. 3
B. 4
C. 2
|
| 3 | The sum of the squares of deviations is the least when measured from. |
A. A.M
B. Median
C. Mode
D. Both A and B
|
| 4 | In a skewed distribution the three averages man, median & mode are. |
A. identical
B. different
C. 0
D. equal 1
|
| 5 | First moment about mean is always equal to. |
A. Standard deviation
B. Zero
C. 1
D. Variance
|
| 6 | Mean deviation is always. |
A. Less then S.D
B. Equal to S.D
C. More than S.D
D. Negative
|
| 7 | The lack of symmetry is called________. |
A. consistent
B. skewness
C. Equidistant
D. Kurtosis
|
| 8 | Fist moment about origin in is always equal |
A. Mean
B. Variance
C. Zero
D. 1(One)
|
| 9 | The mean deviation is least if deviations are taken from |
A. A.M
B. Mode
C. G.M
D. Median
|
| 10 | In a symmetrical distribution, the coefficient of skewness will always be. |
A. Negative
B. zero
C. 1
D. -1
|
Test Questions