Using the 0.05 significance level, does the data justify the local airport’s claim?

Words: 380
Pages: 2
Subject: Uncategorized

Part I Instructions: Download the StatDisk Hypothesis Form from the One Sample Hypothesis folder under Week Three before answering the questions for this test. Filling in the form will help you answer the fill in the blank questions. Complete the StatDisk Hypothesis Form. Refer to the Handout, Hypothesis Writing Instructions, when writing the null and alternate hypotheses. Use StatDisk for the calculations. Write the conclusion using the Handout, How to Word the One Sample Statistical Conclusion, posted in unit Week Three. Carry all calculations and the answer to 4 decimal places unless otherwise noted. For example, the number “123.0000” has been carried and reported to 4 decimal places. (Yes, trailing zeros count.) Complaints about weekday airline flights not being on time average about 15.17 complaints per month at airports in small U. S. cities. The local airport is proud to advertise that its average monthly on-time performance is superior to the national monthly average for small city airports. Since June 2003, a random sample of nine months reveals that the number of complaints regarding weekday flights not being on time at the local airport were: 9 10 12 13 14 15 15 16 17 Using the 0.05 significance level, does the data justify the local airport’s claim? Note: “mu” refers to the population mean. Part II Instructions: Download the StatDisk Hypothesis Form from the Two Sample Hypothesis folder under Week Three before answering the questions for this test. Filling in the form will help you answer the fill in the blank questions. Complete the StatDisk Hypothesis Form. Refer to the Handout, Two Sample Hypothesis Writing Instructions, when writing the null and alternate hypotheses. Use StatDisk for the calculations. Write the conclusion using the Handout, How to Word the Two Sample Statistical Conclusion, posted in unit Week Three. Carry all calculations and the answer to 4 decimal places unless otherwise noted. For example, the number “123.0000” has been carried and reported to 4 decimal places.

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