HA201_Final_Review

# HA201_Final_Review - H ADM 201 Final Review 2 Goals for...

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H ADM 201 Final Review

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HA 201 Final Review 2 Goals for Today No notes Many Questions Understand everything Prepare
HA 201 Final Review 3 Review Topics 1. Correlation 2. Simple linear regression 3. Other Subjects 4. Example 5. Recommendations

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HA 201 Final Review 4 1-Correlation Strength of LINEAR relationship Between two NUMERICAL variables The two variables are in equal footing ρ, the correlation coefficient is a standardized covariance a (bivariate) population parameter r, the sample correlation coefficient is computed using estimates a statistic -1<r<1 and -1<ρ<1, why?
HA 201 Final Review 5 2-Simple linear Regression Two variables: one responds to the other Response and predictor variables The regression equation is The distributional model is i i i x b b y ε + + = 1 0 ˆ i i i x b b y ε + + 1 0 X Y + = 1 0 β β ( 29 2 1 0 , ~ ε σ β β X N ind Y +

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HA 201 Final Review 6 Calculating B o and B 1 Formulas are in the formula sheet
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• Spring '06
• RLLOYD

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