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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 49 times)

OSWALD

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on: Jun 24, 2018
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
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
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uniquea123

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Reply #1 on: Jun 24, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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OSWALD

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Reply 2 on: Jun 24, 2018
Gracias!

tranoy

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Reply 3 on: Yesterday
:D TYSM

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