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dionswife511 dionswife511
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6 years ago
Explain what is meant by heteroscedasticity. What effects does heteroscedasticity have on the results of a regression?
 
  What will be an ideal response?

Q. 2

All of the following are true about the sampling distribution of the mean except ________.
 
  A) the population standard deviation can be determined when a large sample size is used
  B) the standard deviation of this distribution is called the standard error of the mean
  C) when larger sample sizes are used for this distribution, the sampling error is less
  D) this distribution approaches the normal distribution if the sample size is large enough

Q. 3

Determine the average time for which the workstation is used.
 
  A) 75 seconds
  B) 57 seconds
  C) 45 seconds
  D) 30 seconds

Q. 4

Which of the following is a nonparametric alternative to a one-way ANOVA test?
 
  A) Jarque-Bera test
  B) Wilcoxon rank sum test
  C) Kuiper's test
  D) Kruskal-Wallis test
Textbook 
Statistics, Data Analysis, and Decision Modeling

Statistics, Data Analysis, and Decision Modeling


Edition: 5th
Author:
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katelyn_mae18katelyn_mae18
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dionswife511 Author
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6 years ago
Thank you for helping me with this assignment of mine
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