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Author Question: In regression analysis we use the Spearman rank correlation coefficient to measure and test to ... (Read 209 times)

Coya19@aol.com

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on: Jul 24, 2018
In regression analysis we use the Spearman rank correlation coefficient to measure and test to determine whether a relationship exists between the two variables if:
 a. one or both variables may be ordinal
  b. both variables are interval but the normality requirement is not met
  c. both one or both variables may be ordinal and both variables are interval but the normality requirement is not met
  d. neither one or both variables may be ordinal nor both variables are interval but the normality requirement is not met
  e. none of these

Question 2

If the plot of the residuals is fan shaped, which assumption of regression analysis if violated?
 a. Normality.
  b. Homoscedasticity.
  c. Independence of errors.
  d. No assumptions are violated, the graph should resemble a fan.
  e. All of these.


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Viet Thy

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

B


Coya19@aol.com

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Reply 2 on: Jul 24, 2018
Excellent

cdmart10

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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