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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
MCQ's Test For Chapter 4 "Statistics Ics Part 1 Chapter 4 Online Test"
Try The MCQ's Test For Chapter 4 "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
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Question # 1
The variance expresses the variability of data in ................ as unit of data.
Question # 2
Fist moment about origin in is always equal
Question # 3
Mean deviation is always.
Question # 4
The mean of the absolute deviations of observations from mean, median or mode is called
Question # 5
If the value of a variable are -2, -3, -5, -10 then range is.
Question # 6
Karl Pearson's 1st co-efficient of skewness is given by formula
Question # 7
Co-efficent of standard deviation can be measured by the following formula
Question # 8
Which measure of disperesion is considered as the best genereal purpose measure of dispersion.
Question # 9
Second moment abut mean is.
Question # 10
In symmetrical distribution if Q1 = 4, Q3 = 12 then median is.
Question # 11
Pearson's co-efficient of skewness is positive when distribution is
Question # 12
the standard deviation is independent of.
Question # 13
The sum of the squares of deviations is the least when measured from.
Question # 14
The positive square root of the mean of the squares of deviations of values from their mean is
Question # 15
If Q3 = 20 and Q1 = 10 the coefficient of quartile deviation is.
Question # 16
First moment about mean is always equal to
Question # 17
The range of the scores 19,3,140,25,95,is
ICS Part 1 Statistics Chapter 4 MCQs Test
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ICS Part 1 Statistics Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | In a skewed distribution the three averages man, median & mode are. |
A. identical
B. different
C. 0
D. equal 1
|
| 3 | The compare the variation of two or more than two sereies, we use. |
A. Mean absolute deviation
B. Variance
C. Coefficient of viariation
D. Corrected atandard deviation
|
| 4 | Standard deviation is always calculate form: |
A. Mean
B. Median
C. Mode
D. All of the above
|
| 5 | If the third moment about mean is zero ( m3 = 0) , then the distribution is. |
A. Mesokurtic
B. Positively skewed
C. Symmetrical
D. Negatively skewed
|
| 6 | 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
|
| 7 | test2 |
A. 3
B. 4
C. 2
|
| 8 | If the value of a variable are -2, -3, -5, -10 then range is. |
A. -12
B. 8
C. -8
D. 0
|
| 9 | 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
|
| 10 | Moment ratios b1 and are. |
A. Expressed in original unit of the data
B. Dimensionless quantities
C. Independent of origin and scale of messurement
D. Both b and c
|
Test Questions