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Author Question: An assumption of regression analysis is homoscedasticity,which states that the A) variation of ... (Read 66 times)

wrbasek0

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on: Jun 24, 2018
An assumption of regression analysis is homoscedasticity,which states that the
 
  A) variation of the dependent variable is the same across all values for the independent variable.
  B) residuals exhibit no patterns across values for the independent variable.
  C) residuals exhibit no patterns across values for the dependent variable.
  D) relationship between the independent and dependent variables is linear.

Question 2

Progressive Insurance would like to test the hypothesis that a difference exists in the proportion of students in 12th grade who text while driving when compared to the proportion of 11th grade drivers who text.
 
  A random sample of 160 12th grade students found that 84 texted while driving. A random sample of 175 11th grade students found that 70 texted while driving. If Population 1 is defined as 12th grade drivers and Population 2 is defined as 11th grade drivers, the pooled estimate for the overall proportion is ________.A) 0.460
  B) 0.506
  C) 0.611
  D) 0.780
Business Statistics ¦ Donnelly ¦ 2nd Edition
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bfulkerson77

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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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wrbasek0

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

dyrone

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

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