Statistics

Statistical Inference
Different method of estimation are deals with:
Point estimation
Interval estimation
Both A and B
None of these
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Statistical Inference
Sample median is an efficient estimator more than:
Complete
Sample mean
Sample proportion
None of these
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Statistical Inference
The process of finding true but unknown value of populationparameter is called:
Statistical Inference
Estimation
Both B and C
None of these
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Introduction to Statistics
Sum of dots when two dice are rolled is:
A discrete variable
A continuous variable
A constant
A qualitative variable
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Measures of Central Tendency
Sum of square of the deviations about mean is:
Maximum
Minimum
Zero
None of these
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Probability Distribution
n1andn2 are degrees of freedom of:
Beta distribution
t- distribution
F- distribution
?2- distribution
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Introduction to Statistics
The grouped data is also called:
Raw data
Primary data
Secondary data
Qualitative data
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Probability Distribution
Mean of ?2 distribution is:
2n
n-2
n
8n
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Introduction to Statistics
Questionnaire survey method is used to collect:
Secondary data
Qualitative variable
Primary data
None of these
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Probability Distribution
All odd order moments about origin/Mean are zero of:
Beta distribution
F- distribution
t- distribution
?2- distribution
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