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Data Classification and Presentation
65
Introduction To Probability
64
Measures Of Dispersion
97
Measures of Central Tendency
71
Business Statistics Basics
85
Probability Distributions
83
Sampling Distributions
53
Moments, Skewness and Kurtosis
58
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Introduction To Probability
For two events, the probability of occurrence of both events at same time or occurrence in series is classified as
joint probability
dependent probability
series probability
conditional probability
Author:
rikazzz
Comment
Business Statistics Basics
In confidence interval estimation, the confidence efficient is denoted by
1 + β
1 – β
1 – α
1 + α
Author:
rikazzz
Comment
Probability Distributions
If the value of p is smaller or lesser than 0.5 then the binomial distribution is classified as
skewed to right
skewed to left
skewed to infinity
skewed to integers
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rikazzz
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Probability Distributions
If the mean of binomial probability distribution is 25 then the mean of Poisson probability distribution is
70
50
25
50
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rikazzz
Comment
Measures Of Dispersion
The mean absolute deviation which is used as relative measure is called
coefficient of quartile range deviation
coefficient of mean absolute deviation
coefficient of mean deviation
coefficient of absolute quartile deviation
Author:
rikazzz
Comment
Measures Of Dispersion
According to empirical rule, the mean and standard deviation interval that covers approximately 95.45% of data from a frequency distribution is
μ±σ
2μ±2σ
3μ±2σ
μ±2σ
Author:
rikazzz
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