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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 average of squared deviations from mean is called:
Mean deviation
Variance
Standard deviation
Coefficient of variation
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Measures of Dispersion
The positive square root of the mean of the squares of the deviations of observations from their mean iscalled:
Variance
Range
Standard deviation
Coefficient of variation
Author:
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Comment
Corelation and Regression
Which of the following is most likely to be an inverse relationship?
Between income and expenditure on education
Between price increase and demand for a certain product
Between average number of hours studied per day and the performance of the students in the examination
Between advertising expenditure and sales of a product.
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Measures of Central Tendency
The appropriate average for calculating average percentage increase in population is:
Arithmetic Mean
Harmonic Mean
Mode
Geometric Mean
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Sampling Techniques
In regression method of estimation sample variance is smaller than variance of:
ratio method of estimation
stratified random sample
simple random sample
all above
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Introduction to Statistics
The data which have already been collected by someone are called:
Raw data
Array data
Secondary data
Fictitious data
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Sampling Techniques
Clusters are known as:
PSU
SSU
BSU
MSU
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Corelation and Regression
Perfect correlation is one Perfect correlation is one in which:
Area of a circle is in definite constant relationship with radius
When area of the circle is ½ radius
None of these
All of these
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Sampling Techniques
Regression method of estimation was introduced by?
R A Fisher
Karl Pearson
Watson
Cochran
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Statistical Inference
In a uniform distribution with parameter the Yn (largest observation) is:
Complete
Consistent
Efficient
None of these
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