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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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Introduction to Statistics
A chance variation in an observational process is:
Dispersion/ Variability
Measurement error
Random error
Instrument error
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Probability Distribution
Mean is zero of:
Beta distribution
F- distribution
t- distribution
?2- distribution
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Sampling Techniques
Ratio method of estimation is not applicable when regression line is passing:
not through origin
through origin
through y-axis
through x-axis
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Measures of Dispersion
Standard deviation of first 50 natural number is:
12.43
10.43
14.43
16.43
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Introduction to Statistics
Review of performance appraisal, labour turnover rates, planning of incentives and training programs and areexamples of :
Statistics in Production
Statistics in Marketing
Statistics in Finance
Statistics in Personnel Management
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Probability Distribution
If zi’s are independent standard normal variates then ?_(i=1)^n¦z_i^2 ~:
t- distribution
F- distribution
?2- distribution
Beta distribution
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Measures of Dispersion
Half of the difference between upper and lower quartiles is called:
Interquartile range
Quartile deviation
Mean deviation
Standard deviation
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Measures of Dispersion
The degree to which numerical data tend to spread about an average value called:
Constant
Flatness
Variation
Skewness
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Sampling Techniques
When regression line passes through the origin, sample ratio is an unbiased estimate of population ratio:
True
False
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Introduction to Statistics
In descriptive statistics, we study:
The description of the decision-making process
The methods for organizing, displaying and describing data
How to describe the probability distribution
None of the above
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