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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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Data Classification and Presentation
The ‘less than type’ cumulative frequency distribution is considered as correspondent to
upper limit of class intervals
lower limit of class intervals
upper limit of range
lower limit of range
Author:
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Probability Distributions
If the trial is repeated 6 times and the chances of success for desired outcome is 0.75 then the variance for negative probability distribution is
4.67
2.67
3.67
5.67
Author:
rikazzz
Comment
Introduction To Probability
If the probability of an event depends on repetitive observations that occurs in outcomes of experiment then this is classified as
fixed probability
non-relative probability
empirical probability
relative probability
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Measures Of Dispersion
Considering the standard deviation, the quartile deviation is equal to
3⁄2 σ
2⁄3 σ
2μ⁄3 σ
4μ⁄3 σ
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rikazzz
Comment
Sampling Distributions
The important principles to determine the valid statistical inference must includes
principle of sampling error
principle of statistical regularity
principle of inertia
both b and c
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rikazzz
Comment
Probability Distributions
In beta distribution, the expected value of random variable x is calculated as
E(x) = m ⁄ m – n
E(x) = n ⁄ m + n
E(x) = m ⁄ m + n
E(x) = n ⁄ m * n
Author:
rikazzz
Comment
Data Classification and Presentation
The complex type of table in which the variables to be studied are subdivided with interrelated characteristics is called as
two way table
one way table
subparts of table
order level table
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rikazzz
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Measures Of Dispersion
The lesser uniformity of 50% observations around the median value is indicated with the help of
larger value of range deviation
smaller value of range deviation
larger value of quartile deviation
smaller value of quartile deviation
Author:
rikazzz
Comment
Business Statistics Basics
The subset of selected population is called
descriptive portion
elementary portion
inferential portion
sample
Author:
rikazzz
Comment
Measures Of Dispersion
In manufacturing company, the number of employees in unit A is 40, the mean is USD $6400 and the number of employees in unit B is 30 with the mean of Rs. 5500 then the combined arithmetic mean is
9500
8000
7014.29
6014.29
Author:
rikazzz
Comment
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