Question

Apr Oct 12 0 2 0 4 0 36 0 2 2 7 1 67 0...

Apr Oct
12 0
2 0
4 0
36 0
2 2
7 1
67 0
30 2
4 4
1 0
7 1
4 0
2 0
16 0
15 22
268 1
12 6
73 4
40 0
2 0
30 6
11 0
16 0
10 0
317 5
13 0
1 0
26 1
4 0
58 7
4 1
13 0
30 0
6 0
33 4
5 0
2 0
1 0
4 0
0 4
0 2
21 0
0 4
10 4
12 0

Use the Tornadoes data and your statistical expertise to answer the questions: Is it reasonable to claim that on average October has less tornado-related deaths than April (per year)?

9. What test/procedure did you perform?

  • a. One-sided t-test
  • b. Two-sided t-test
  • c. Regression
  • d. ​​Confidence interval

10. What is the P-Value/margin of error?

  • a. 0.723595771
  • b. 1.8
  • c. 0.007110117
  • d. 0.003555059
  • e. ​​None of these

11. Statistical Interpretation

  • a. Since confidence interval of 3.68411 is below 4 we are confident that the number of tornado-related deaths is below 4.
  • b. Since P-value is not small we cannot claim that the number of tornado-related deaths is below 4.
  • c. Since confidence interval is above 4 we cannot claim that the number of tornado-related deaths is below 4.
  • d. ​​None of these.

12. Conclusion

  • a. Yes, I am confident that the above claim is reasonable.
  • b. No, I cannot claim that the above claim is reasonable.

Task 2

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