Problem #1: Minitab, 17 Using the project that you created previously, verify (u

Question

Problem #1: Minitab, 17 Using the project that you created previously, verify (using Calc- >Column Statistics) that the sum of the Chest decel column is equal to 13956 Work through this example on Minitab and then do the following (a) Using the project . ' ' that you created previously, find a 95% confidence interval for the average chest deceleration (Chest dece1) for all crashes in the sampled population. (b) Which of the following statements is true regarding part (a)? confidence interval enter your answer in the form a,b (numbers correct to 2 decimals) Problem #1(a): 47.165, 49.416 (A) The population must follow a t-distribution. (B) The population cannot follow a t-distribution. (C) The population standard deviation must be known. (D) The population does not need to be normal because the sample size is greater than 30 (E) The population must be normal. (F) The population mean must be inside the confidence interval Problem #1(b): Just Save Your work has been saved! (Back to Admin Page) Submit Problem #1 for Grading | Problem #1 Attempt #1 Your Answer: 1(a) 47.165, Attempt #2 Attempt #3 1(a) 1(b) 49.416 1(b) 1(b) F Your Mark: 1(a) 4/41(a) 1(b) 1(a) 1(b) 1(b) 0/1X

Explanation / Answer

1 ) b ) E ) The population must be normal

F ) The population mean must be inside the confidence interval .

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