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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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Corelation and Regression
The correlation coefficient is used to determine:
A specific value of the y-variable given a specific value of the x-variable
A specific value of the x-variable given a specific value of the y-variable
The strength of the relationship between the x and y variables
None of these
Author:
rikazzz
Comment
Sampling Techniques
Cluster sampling is a type of:
purposive sampling
quota sampling
probability sampling
non probability sampling
Author:
rikazzz
Comment
Introduction to Statistics
The height of a student is 60 inches. This is an example of:
Qualitative data
Categorical data
Continuous data
Discrete data
Author:
rikazzz
Comment
Sampling Techniques
If ? > 0 variance of regression is superior than:
simple random sample
ratio estimate
stratified random sampling
cluster sampling
Author:
rikazzz
Comment
Statistical Inference
For a random sampling from Normal Population, s2 is a consistent estimatorof:
Population variance
population variance
Both A and B
Sufficient
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rikazzz
Comment
Corelation and Regression
SSE can never be :
larger than SST
smaller than SST
equal to 1
equal to zero
Author:
rikazzz
Comment
Statistical Inference
If expected value of an estimator is greater than the parameter then estimator is called:
Unbiasedness
Positively Biased
Efficiency
None of these
Author:
rikazzz
Comment
Corelation and Regression
A fitted least squares regression line :
may be used to predict a value of y if the corresponding x value is given
is evidence for a cause-effect relationship between x and y
can only be computed if a strong linear relationship exists between x and y
None of these alternatives is correct.
Author:
rikazzz
Comment
Sampling Techniques
Regression method of estimation was introduced to increase:
variance
error
precision
accuracy
Author:
rikazzz
Comment
Measures of Dispersion
Which of the following is an absolute measure of dispersion?
Coefficient of variation
Coefficient of dispersion
Standard deviation
Coefficient of skewness
Author:
rikazzz
Comment
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