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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 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
Comment
Measures of Dispersion
If the maximum value in a series is 25 and its range is 15, the minimum value of the series is:
10
15
25
35
Given; maximum value is 25, range is 15. find the minimum value. Solution: step 1of 2 Define range For a given set of observations range is define as the difference between maximum value and minimum value. Step 2of 2 Find minimum value Maximum value=25 Range=15 Maximum value-minimum value=15 25-minimum value=15 Minimum value=25-15 MINIMUM VALUE=10
Author:
rikazzz
Comment
Measures of Dispersion
If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:
-48
40
-40
48
Range =L-S Where L is the largest value and S is the smallest value. Here, L=-4 and S = -44 Hence, range =(-4) -(-44) 40 Therefore the range of these observations is 40.
Author:
rikazzz
Comment
Introduction to Statistics
A method used to examine inflation rate anticipation, unemployment rate and capacity utilisation to produceproducts is classified as:
Data Exporting Technique
Data Importing Technique
Forecasting Technique
Data Supplying Technique
Author:
rikazzz
Comment
Measures of Central Tendency
Sum of absolute deviations about median is:
Zero
Maximum
Minimum
One
Author:
rikazzz
Comment
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