Business Statistics

Business Statistics Basics
The reports published by International Labor Organization and International Monetary Fund are considered as
external primary data sources
internal primary data sources
external secondary data sources
internal secondary data sources
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Measures Of Dispersion
If the arithmetic mean is considered as average of deviations then resultant measure is considered as
close end deviation
mean absolute deviation
mean deviation
variance deviation
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Sampling Distributions
The procedure in which the number of elements in stratum are not in proportional to the number of elements in population is classified as
indirect strata procedure
direct strata procedure
non proportional procedure
proportional procedure
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Measures of Central Tendency
The mean or average used to measure central tendency is called
sample mean
arithmetic mean
negative mean
population mean
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Moments, Skewness and Kurtosis
In moments, the alphas whose values depends on shape of frequency curve are
alpha one and two
alpha one and two
alpha three and four
alpha one and four
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Business Statistics Basics
The knowledge of possible errors, point estimate and the degree of confidence is classified as
interval estimation
confidence interval
hypothesis testing
both a and b
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Probability Distributions
If the value of success in binomial probability distribution is 0.40 and failure is 0.60 and the number of values in distribution are 5 then the moment coefficient of skewness is
0.467
0.167
0.267
0.367
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Moments, Skewness and Kurtosis
The statistical measures such as average deviation, standard deviation and mean are classified as part of
deciles system
moment system
percentile system
quartile system
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Measures Of Dispersion
The standard deviation of first 50 natural numbers is
45.43
14.43
20.43
16.43
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Probability Distributions
The formula of calculating mean for hyper geometric probability distribution is
n (m ⁄ n)
m (n ⁄ n)
n (n ⁄ m)
n (m ⁄ n)
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