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Author Question: In a regression model such as y = 0 + 1X1 + 2X2 + , if changes in x1 and x2 happen simultaneously, ... (Read 106 times)

OSWALD

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In a regression model such as y = 0 + 1X1 + 2X2 + , if changes in x1 and x2 happen simultaneously, the model is said to be affected by:
 
  A) specification bias.
  B) heteroscedasticity.
  C) multicollinearity.
  D) autocorrelation.

Question 2

When conducting two-sample tests for means with independent samples, ________.
 
  A) it is always assumed that the population variances are equal
  B) the test for equality of variances is conducted, and if the variances are not equal the t-test in Excel should not be used
  C) the test for equality of variances is conducted to determine if the variances are equal and thereby choose the appropriate t-test in Excel
  D) it is always assumed that the population variances are unequal


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uniquea123

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OSWALD

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


carlsona147

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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