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Mancosa Analytical Techniques Revision
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It has examples and exercises with answers to practice on and tackles the concepts of analytical techniques
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MANAGEMERNT STATISTICSContent Unit Learning Outcomes [ULO]
Measures Of Central Location/tendency Calculate and Interpret all
Mode Measures Of central Location on
Median the basis of both raw and grouped
Mean data.
The concept of skewness and the
interpretation of the reliability of
Measures Of Central
Location/Tendency
Measures Of Dispersion Calculate and interpret Measures
Range Of Dispersion for both raw and
IQR grouped sets of data
QD
Variance
Standard Deviation
,Measures Of Central Tendency
Raw Data
X= The number of faulty ATMs at a bank over a sample of 20 days
17 19 22 24 27 28 29 31 32 33
34 35 38 41 44 45 46 51 52 56
Mode = There is no mode in this distribution.
Median = = 33.5
, ∑
Mean = = = 35.2
̅ 35
, Alternative Formula for the Mean:
∑ ∑
Mean = ̅ = =
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