Module 1 Lecture Notes
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Transcript of Module 1 Lecture Notes
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Module 1:Introduction to Statistics
http://flic.kr/p/8groME
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Statistics in Business
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What is Statistics?
• Science or Math or BOTH?• Numerical Measurement• Statistical Process– Collect– Analyze– Interpret– Present
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Branches of Statistics
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Definitions. . .
• Census
• Population
• Sample
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Population vs. Samples
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Population vs. Samples
• Mean
• Variance
• Standard Deviation
• Proportion
• Mean
• Variance
• Standard Deviation
• Proportion
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Inferential Statistics
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Levels of Data: Nominal
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Levels of Data: Ordinal
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Levels of Data: Interval
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Levels of Data: Ratio
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What can you do with that?
TYPE OF DATA
Nominal
Ordinal
Interval
Ratio
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