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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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Sampling Distributions
The difference between corresponding population and unbiased estimate in the terms of absolute value is classified as
sampling error
random sample error
under coverage error
coverage error
Author:
rikazzz
Comment
Sampling Distributions
The type of sampling in which the desired and useful information is gathered from the best position holder is classified as
quota sampling
convenience sampling
purposive sampling
judgment sampling
Author:
rikazzz
Comment
Measures of Central Tendency
The per day wage of 15 employees of different departments is as 620, 640, 750, 850, 650, 720, 730, 785, 630, 740, 900, 880, 780, 690, 850 then the value of xÌ… is
647.67
947.67
847.67
747.67
Author:
rikazzz
Comment
Business Statistics Basics
The analysis of labor turnover rates, performance appraisal, training programs and planning of incentives are examples of role of
statistics in personnel management
statistics in finance
statistics in marketing
statistics in production
Author:
rikazzz
Comment
Probability Distributions
The type of distribution which is useful when the occurrences of events are constant is classified as
open frequency distribution
class frequency distribution
rectangular distribution
square distribution
Author:
rikazzz
Comment
Measures of Central Tendency
In statistics out of 100, the marks of 21 students in final exams are as 90, 95, 95, 94, 90, 85, 84, 83, 85, 81, 92, 93, 82, 78, 79, 81, 80, 82, 85, 76, 85 then mode of the data is
85
95
90
81
Author:
rikazzz
Comment
Probability Distributions
Considering the normal distribution, the spread is increased and the height of the curve is decreased for the
smaller value of variance
larger value of variance
larger value of standard deviation
smaller value of standard deviation
Author:
rikazzz
Comment
Moments, Skewness and Kurtosis
The first deciles of data is 8, ninth deciles is 12 and fifth deciles is 6 then the coefficient of skewness is
±2
±1
±3
±4
Author:
rikazzz
Comment
Data Classification and Presentation
The graphical diagram in which total number of observations are represented in percentages rather than absolute values is classified as
asymmetrical diagram
ungrouped diagram
grouped diagram
pie diagram
Author:
rikazzz
Comment
Business Statistics Basics
The type of rating scale which allows respondents to choose most relevant option out of other stated options is classified as
marking rating scale
graphical rating scale
itemized rating scale
pointed rating scale
Author:
rikazzz
Comment
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