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Quiz

Regression

Daniel Whiting 5 Fragen

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  1. 1Centering is used...
    1. Awhen interpreting the intercept doesn't make sense.
    2. Bevery time a regression is performed.
    3. Cat step 5 in performing a regression.
    4. Donly when the IVs are categorical.
  2. 2The conditional variance (SD) of a predicted score is calculated by...
    1. ASquare root of sums of squares model
    2. BSquare root of sums of squares residual
    3. CSquare root of mean of squares model
    4. DSquare root of (sum squares residual/degrees of freedom residual)
    5. ESquare root of (sum squares model/degrees of freedom model)
  3. 3An accurate conditional variance depends on which assumption of regression being met?
    1. ANormality of residuals
    2. BHomoscedacity
    3. CLinearity
    4. DIndependence
    5. EHeteroscedacity
  4. 4What is the minimum amount of participants we would want for a regression with 7 predictors for it to be a robust model?
    1. A35
    2. B70
    3. C7
    4. D49
    5. E14
  5. 5Which of the following are cause for concern of collinearity?
    1. AVIF = 18
    2. BVIF = 9
    3. CVIF = 0.01
    4. DTOL = 1
    5. ETOL = 0.01
    6. FTOL = 41
    7. GShapiro wilk p = 0.041

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Beschreibung
Undergradutate Stats 3 Quiz am Regression, erstellt von Daniel Whiting am 09/03/2018.
Sprache
English
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