Variable Data 计量型数据4

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The mean duration of mission during this operationwas:
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BasicTerms of Statistics
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Set of variable data may show the following 3 characteristics:
Central Tendency (Mean, Median, Mode)
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Variable Data - Learning Obiective
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ru. For normally distributed data,calculate z values and use the ztable to determine the proportion beyond any particular value.
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During an Operation in I ggx, pilots made 3000 combatflights for a total of 6900 hours. I{hat was the mean durotion of eachflight mission?.
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The Advantage of Continuous Data
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Breakthrough Strategy
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Sergeant: The river depth is 1.6 m but the averageheight of soldiers is only 1.7M. There should haveno problemfor us to crossthe river.. But....
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That's why we cannot only look at the averagevalues. We need also to use other statisticsto analyze
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DescribeSetsof Variable Data
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Describe Setsof VariableData
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SomePropertiesof the Mean
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