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Measures of Central Tendency
48
Measures of Dispersion
49
Corelation and Regression
48
Introduction to Statistics
50
Statistical Inference
41
Probability Distribution
47
Sampling Techniques
47
Statistical Packages For Social Science
0
Statistical Methods
0
Business Statistics
576
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Measures of Dispersion
The standard deviation is independent of:
Change of origin
Change of scale of measurement
Change of origin and scale of measurement
Difficult to tell
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Introduction to Statistics
A parameter is a measure which is computed from:
Population data
Sample data
Test statistics
None of these
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Corelation and Regression
When a multiple correlation coefficient R 1.23 =1 , then R 2.13 is:
1
-1
0
None of these
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Measures of Dispersion
The measure of dispersion which is expressed in terms of the nits of observations:
Absolute measure
Variance
Relative measure
None of the above
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Measures of Central Tendency
In Uni-model distribution, if mode is less than mean, then the distribution will be:
Symmetrical
Normal
Positively skewed
Negatively skewed
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Corelation and Regression
Which of the following is true if the estimating equation has to be a perfect estimator of the dependentvariable?
The coefficient of determination is -1
All the data points are on the regression line.
The standard error of the estimate is zero
B and C
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Introduction to Statistics
You asked five of your classmates about their height. On the basis of this information, you stated that theaverage height of all students in your university or college is 67 inches. This is an example of:
Descriptive statistics
Inferential Statistics
Parameter
Population
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Statistical Inference
In case of unbiased estimators, the estimator having minimum variance is called an:
Efficient estimator.
Sufficient
Both A and B
Consistent
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Introduction to Statistics
Which of these represent qualitative data:
Height of a student
Liking or disliking of (500) persons of a product
The income of a government servant in a city
Yield from a wheat plot
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Introduction to Statistics
The number of accidents in a city during 2010 is:
Discrete variable
Continuous variable
Qualitative variable
Constant
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