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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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Measures Of Dispersion
If the scatter or dispersion in the distribution is less on each side then this indicates
high uniformity of data
dispersion of data
outliers of data
low uniformity of data
Author:
rikazzz
Comment
Measures Of Dispersion
If the value of first quartile is 49 and the value of third quartile is 60 then value of inter quartile range is
21
31
11
41
Author:
rikazzz
Comment
Measures of Central Tendency
If the mean of percentages, rates and ratios is to be calculated then the central tendency measure which must be used in this situation is
weighted arithmetic mean
paired arithmetic mean
non-paired arithmetic mean
square of arithmetic mean
Author:
rikazzz
Comment
Introduction To Probability
If the number of outcomes in collection are 5 and the distinct outcomes are 9 then the count value according to combinations method is
4
9
126
45
Author:
rikazzz
Comment
Moments, Skewness and Kurtosis
The 90th percentile is 60, 50th percentile is 30 and 10th percentile is 40 then the coefficient of skewness is
±30
±2
±8
±4
Author:
rikazzz
Comment
Data Classification and Presentation
If in the bar diagram the characteristics variable to be measured is written on horizontal axis and frequencies are written on vertical axis then the graph is for
grouped data
ungrouped data
dimensional data
non dimensional data
Author:
rikazzz
Comment
Introduction To Probability
In measuring the probability of any certain event, the zero represents
impossible events
possible events
certain event
sample event
Author:
rikazzz
Comment
Moments, Skewness and Kurtosis
The median of a moderately skewed distribution is 8, third quartile is 12, first quartile is 8 and inter-quartile range is 4 then relative coefficient of skewness is
±8
±1
±9
±11
Author:
rikazzz
Comment
Measures of Central Tendency
In a negative skewed distribution, the order of mean, median and mode is as
mean
mode
mean>median>mode
mean
mean>median
Author:
rikazzz
Comment
Measures Of Dispersion
The mean absolute deviation is 23 and coefficient of mean absolute deviation is 18 then arithmetic mean is
2.28
1.28
3.28
4.28
Author:
rikazzz
Comment
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