Question: Open the Hurricane data. Set up: Test if there is a significant difference in death by Hurricanes with category 1 and category 4. Answer the

Open theHurricanedata. Set up: Test if there is a significant difference in death by Hurricanes with category 1 and category 4. Answer the questions for Assessment.HINT:Read Lecture 24.

This is the link for data: https://www.limes.one/Content/DataFiles/Huricanes.txt

17. What would be the correct Null-Hypothesis?

  • a. Death by Hurricanes with category 1 and category 4 are not related.
  • b. The population averages are unequal.
  • c. Death by Hurricanes with category 1 and category 4 are related.
  • d. The population averages are equal.

18. The P-value is 0.128060089, what can be statistically concluded?

  • a. Accept the Null Hypothesis.
  • b. We reject the Null Hypothesis.
  • c. We cannot reject the Null Hypothesis.
  • d. None of the above

19. What would be an appropriate comment?

  • a. We are confident that Death by Hurricanes with category 1 and category 4 are related.
  • b. We are confident that Death by Hurricanes with category 1 and category 4 are different.
  • c. We cannot conclude that Death by Hurricanes with category 1 and category 4 are different.
  • d. None of the above.

20. Which of the following is NOT of the Rules of Thumb?

a. The Null-Hypothesis is always stated with a NOT "equal" sign. Either:

  • b. If the P-value is good (typically below 5%), we reject the Null-Hypothesis.
  • c. If the P-value is bad (typically above 5%), we cannot reject the Null-Hypothesis.
  • d. Mathematically, we cannot state: We accept the Null-Hypothesis.

The (population) averages are NOT equal, orThe slope of the regression line is NOT equal zero.

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