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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 the squares of deviations is the least when measured from.
Question # 2
Mean deviation is always.
Question # 3
β1 is a quantity
Question # 4
Second moment about mean is called
Question # 5
First moment about mean is always equal to
Question # 6
Which set has teh maximum varaition?
Question # 7
In a symmetrical distribution the coefficient of skewness is equal to.
Question # 8
Karl Pearson's 1st co-efficient of skewness is given by formula
Question # 9
The sum of absolute deviations is a minimum if these deviations are taken from the
Question # 10
Lack of symmetry is called
Question # 11
The distribution is measokurtic if the moment coefficient of of kurtosis b2 is.
Question # 12
Which measure of disperesion is considered as the best genereal purpose measure of dispersion.
Question # 13
The lack of symmetry is called________.
Question # 14
Relative depression is of types.
Question # 15
Moment ratios b1 and are.
Question # 16
The most popular measure of dispersion in industry and meteorology is.
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 | Mean deviation is always. |
A. Less then S.D
B. Equal to S.D
C. More than S.D
D. Negative
|
| 2 | In the grouped data , the range is the difference between. |
A. Two extreme class frequency
B. Two extreme class limits
C. Tow extreme class boundaries
D. None of these
|
| 3 | Co-efficent of standard deviation can be measured by the following formula | |
| 4 | First moment about mean is always equal to |
A. One
B. Negative
C. Zero
D. Positive
|
| 5 | For Laptokurtic distribution. |
A. b2 > 3
B. b2 < 3
C. b2 = 3
D. b1 > 3
|
| 6 | The main advantages of using the range as a measure of dispersion is that. |
A. It is easy to calculate
B. It is heavily influenced by extreme values.
C. It can change drastically from one data set to the next
D. It is determined by only two points in the data set
|
| 7 | The most popular measure of dispersion in industry and meteorology is. |
A. Range
B. Quartile deviation
C. Mean deviation
D. Standard deviation
|
| 8 | The positive square root of the mean of the squares of deviations of values from their mean is |
A. Variance
B. Covariance
C. Standard deviation
D. Standard error
|
| 9 | The variance of 4,4,4,4,4 is. |
A. -4
B. (4)2
C. 8
D. 0
|
| 10 | Which of the following statements is correct. |
A. Every symmetrical curve is measokurtic
B. Standard deviation is the mean squared deviations from the mean
C. The standard deviation of a constant is constant
D. Teh second moment about zero equals variance.
|
Test Questions
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Faisal
13 Dec 2017i want to learn