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Author Question: The critical value for a one-tail hypothesis test when the population standard deviation is known, ... (Read 131 times)

waynest

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on: Jun 24, 2018
The critical value for a one-tail hypothesis test when the population standard deviation is known, the sample size is 30 or more, and  = 0.01 is ________.
 
  A) 2.05
  B) 2.33
  C) 2.575
  D) 2.96

Question 2

The Department of Housing and Urban Development (HUD) would like to test the hypothesis that the average size of a newly constructed house last year is different from the average size of a newly constructed house in 2000.
 
  The following data summarizes the sample statistics for house sizes, in square feet, for both years. Assume that the population variances are equal. 2000 Last YearSample mean 2,290 2,460Sample size 18 18Sample standard deviation 250 260If Population 1 is defined as homes built in 2000 and Population 2 is defined as homes built last year, which one of the following statements is true?A) Because the 90 confidence interval does not include zero, HUD can conclude that the average size of a newly constructed house last year is not different from the average size of a newly constructed house in 2000.
  B) Because the 90 confidence interval does not include zero, HUD can conclude that the average size of a newly constructed house last year is different from the average size of a newly constructed house in 2000.
  C) Because the 90 confidence interval includes zero, HUD cannot conclude that the average size of a newly constructed house last year is different from the average size of a newly constructed house in 2000.
  D) Because the 90 confidence interval includes zero, HUD can conclude that the average size of a newly constructed house last year is equal to the average size of a newly constructed house in 2000.
Business Statistics ¦ Donnelly ¦ 2nd Edition
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mjenn52

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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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waynest

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Reply #2 on: Jun 24, 2018
Thank you


mjenn52

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Reply #3 on: Jun 24, 2018
No problemo


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