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Author Question: Robustness in hypothesis testing means A) there are no departures from normality. B) the data is ... (Read 98 times)

shofmannx20

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on: Jul 25, 2018
Robustness in hypothesis testing means
 
  A) there are no departures from normality.
  B) the data is effected by outliers.
  C) departures from normality do not adversely affect the results.
  D) all processes can be exactly duplicated by selecting another pair of samples.

Question 2

The January 2005 Gallup Youth Survey telephoned a random sample of 1,028 U.S. teens and asked these teens to name their favorite movie from 2004.
 
  Napoleon Dynamite had the highest percentage with 8 of teens ranking it as their favorite movie. Which is true?
  I. The population of interest is all U.S. teens.
  II. 8 is a statistic and not the actual percentage of all U.S. teens who would rank this movie as their favorite.
  III. This sampling design should provide a reasonably accurate estimate of the actual percentage of all U.S. teens who would rank this movie as their favorite.
  A) I only B) I and II C) III only D) II only E) I, II, and III


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tdewitt

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Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

E


shofmannx20

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Reply 2 on: Jul 25, 2018
Great answer, keep it coming :)

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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