Statistics

Corelation and Regression
Suppose that you have carried out a regression analysis where the total variance in the response is 133452 and the correlation coefficient was 0.85. The residual sums of squares is:
37032.92
20017.8
113434.2
96419.07
Author: rikazzz Comment
Probability Distribution
If y1 = y2 = y3 then first order statistics is:
y3
y2
y1
None of these
Author: rikazzz Comment
Statistical Inference
In Cramer-Rao Inequality var (T) is called:
Complete
Minimum variance bond
Efficient
None of these
Author: rikazzz Comment
Measures of Dispersion
The measurements of spread or scatter of the individual values around the central point is called:
Measures of dispersion
Measures of central tendency
Measures of skewness
Measures of kurtosis
Author: rikazzz Comment
Measures of Dispersion
If the difference of the third and first quartile is divided by the sum of the third and first quartile then it isknown as:
Quartile
Coefficient of mean deviation
Coefficient of quartile deviation
None of the above
Author: rikazzz Comment
Sampling Techniques
Regression model with stochastic term is called random model:
True
False
Author: rikazzz Comment
Probability Distribution
Range of Cauchy distribution is:
-8 to 8
0 to ?
0 to 8
-1 to +1
Author: rikazzz Comment
Sampling Techniques
Systematic sampling demands the selection of single complex:
sampling frame
frame
sampling design
sampling unit
Author: rikazzz Comment
Measures of Dispersion
The measures used to calculate the variation present among the observations in the unit of the variable iscalled:
Relative measures of dispersion
Coefficient of skewness
Absolute measures of dispersion
Coefficient of variation
Author: rikazzz Comment
Measures of Central Tendency
Harmonic men gives more weigntage to:
Small Values
Large Values
Positive Values
Negative Values
Author: rikazzz Comment

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