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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
The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient ofvariation?
60.4%
48.3%
35.7%
27.8%
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Introduction to Statistics
A constant variable can take values:
Zero
Fixed
Not fixed
Nothing
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Measures of Dispersion
The range of the scores 29, 3, 143, 27, 99 is:
140
143
146
70
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Introduction to Statistics
Which branch of statistics deals with the techniques that are used to organize, summarize, and present thedata:
Advanced Statistics
Probability Statistics
Inferential Statistics
Descriptive Statistics
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Sampling Techniques
Regression method was introduced in:
1925
1937
1940
1938
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Measures of Dispersion
The mean deviation is minimum when deviations are taken from:
Mean
Mode
Median
Zero
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Probability Distribution
If ß = 1, mean and variances become same of:
Uniform distribution
Beta distribution of kind II
Negative Exponential distribution
Gamma distribution
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Corelation and Regression
Larger values of r 2 (R2 ) imply that the observations are more closely grouped about the :
average value of the independent variables
average value of the dependent variable
least squares line
origin
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Measures of Dispersion
If all the scores on examination cluster around the mean, the dispersion is said to be:
Small
Large
Normal
Symmetrical
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Corelation and Regression
In a regression and correlation analysis if r 2 = 1, then :
SSE = SST
SSE = 1
SSR = SSE
SSR = SST
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