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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
Mean deviation = S.D
Question # 2
First moment about mean is always equal to
Question # 3
Which of the following measures of dispersion is independent of the units employed.
Question # 4
Pearson's co-efficient of skewness is positive when distribution is
Question # 5
For a symmetrical distribution.
Question # 6
First central moment is always.
Question # 7
If b2 = 3, then the distribution is:
Question # 8
The sum of absolute deviations is a minimum if these deviations are taken from the
Question # 9
The value of quartile deviation is always
Question # 10
Second moment abut mean is.
Question # 11
If the value of a variable are -2, -3, -5, -10 then range is.
Question # 12
For symmetrical distribution mega 3 is.
Question # 13
The positive square root of the mean of the squares of deviations of values from their mean is
Question # 14
In symmetrical distribution if Q1 = 4, Q3 = 12 then median is.
Question # 15
Karl Pearson's 1st co-efficient of skewness is given by formula
Question # 16
The difference between largest and smallest observation is called
Question # 17
For Laptokurtic distribution.
ICS Part 1 Statistics Chapter 4 MCQs Test
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ICS Part 1 Statistics Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If b2 = 3, then the distribution is: |
A. leptokurtic
B. Platykurtic
C. Normal
D. None of these
|
| 2 | Standard deviation is always calculate form: |
A. Mean
B. Median
C. Mode
D. All of the above
|
| 3 | If X and Y are independent, than Var ( X -Y) is equal to. |
A. Var (X) + Var (Y)
B. Var (X) - Var (Y)
C. Var (X+ Y)
D. Zero
|
| 4 | If the third moment about mean is zero ( m3 = 0) , then the distribution is. |
A. Mesokurtic
B. Positively skewed
C. Symmetrical
D. Negatively skewed
|
| 5 | Mean deviation = S.D |
A. 2/3
B. 4/5
C. 5/6
D. 6/5
|
| 6 | the standard deviation is independent of. |
A. Change of origin
B. Change of scale of measurement
C. Change origin and scale of meaturement
D. None of these
|
| 7 | Which measure of disperesion is considered as the best genereal purpose measure of dispersion. |
A. Range
B. Semi interquartile range
C. Standard deviation
D. Mean deviation
|
| 8 | Co-efficent of quartile deviation can be calculated by the following formula | |
| 9 | If the value of a variable are -2, -3, -5, -10 then range is. |
A. -12
B. 8
C. -8
D. 0
|
| 10 | Which of the following measures of dispersion is independent of the units employed. |
A. Standard deviation
B. Quartile deviation
C. Coefficient of variation
D. Variance
|
Test Questions
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Faisal
13 Dec 2017i want to learn