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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
If X and Y are independent, than Var ( X -Y) is equal to.
Question # 2
The compare the variation of two or more than two sereies, we use.
Question # 3
The value of standard deviation changes by change of.
Question # 4
In a skewed distribution the three averages man, median & mode are.
Question # 5
If Q3 = 20 and Q1 = 10 the coefficient of quartile deviation is.
Question # 6
Co-efficent of quartile deviation can be calculated by the following formula
Question # 7
M.D. of the values 4,4,4,4 is
Question # 8
Teh range of the value -2, -4, -6 and -8 is.
Question # 9
In the grouped data , the range is the difference between.
Question # 10
The mean deviation can never be
Question # 11
the standard deviation is independent of.
Question # 12
For a symmetrical distribution.
Question # 13
In a symmetrical distribution, the coefficient of skewness will always be.
Question # 14
The mean deviation is least if deviations are taken from
Question # 15
The mean of the absolute deviations of observations from mean, median or mode is called
Question # 16
The measures of disperesin are chaged by the change of.
Question # 17
Standard deviation is always calculate form:
ICS Part 1 Statistics Chapter 4 MCQs Test
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ICS Part 1 Statistics Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In symmetrical distribution if Q1 = 4, Q3 = 12 then median is. |
A. 4
B. 6
C. 8
D. zero
|
| 2 | 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
|
| 3 | For Laptokurtic distribution. |
A. b2 > 3
B. b2 < 3
C. b2 = 3
D. b1 > 3
|
| 4 | For a moderately skewed dsitribution, whihc of the following emprical formula holds. |
A. M.D. = 4/5(S.D)
B. Q.D. = 2/3 (S.D)
C. Q.D . = 5/6 (M.D.)
D. All of these
|
| 5 | β is a letter |
A. German
B. Greek
C. Latin
D. Dutch
|
| 6 | If b2 = 3, then the distribution is: |
A. leptokurtic
B. Platykurtic
C. Normal
D. None of these
|
| 7 | The measures of disperesin are chaged by the change of. |
A. Origin
B. Scale
C. Both a and b
D. None of these
|
| 8 | The value of quartile deviation is always |
A. Positive
B. Zero
C. Negative
D. None of these
|
| 9 | The mean deviation can never be |
A. Positive
B. Negative
C. Zero
D. None of these
|
| 10 | Quartile Co-efficient of skewness is also called as |
A. Median co-efficent of skewness
B. Pearson's 1st co-efficient of skewness
C. Pearson's 2nd co-efficient of skewness
D. None of these
|
Test Questions
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Faisal
13 Dec 2017i want to learn