Question 5 (12 marks = 2 + 2 + 2 + 3 + 3)The traffic controller at Sydneys Kingsford Smith International Airport believes that the main reasons for late aircraft departures are external to the airport managementnamely, late aircraft arrivals and mechanical failures. In a report to management discussing this issue the traffic controller decides to test his assertion using data collected from a random sample of 20 days.No. of delays No. of late arrivals No. of mechanical problems4 2 38 5 61 0 10 0 17 4 32 1 10 1 10 1 13 2 14 4 02 2 08 6 212 6 55 4 23 2 10 1 02 1 16 4 213 10 37 3 4a. Write out the estimated multiple regression equation. Please show your calculations or insert your summary output from Excel.b. Interpret the meaning of the slopes b1 and b2 in this equation.c. Predict the number of delayed flights if four aircraft arrive late and there are three mechanical failures.d. Comment on the goodness of fit of the estimated regression model.e. Is there a significant relationship between the number of delays and the two independent variables (number of late arrivals and number of mechanical problems) at the 0.01 level of significance?On the basis of these results indicate the most appropriate regression model for this data Place your order now for a similar paper and have exceptional work written by our team of experts to guarantee you A Results Why Choose US : 6+ years experience on custom writing 80% Return Client Urgent 2 Hrs Delivery Your Privacy Guaranteed Unlimited Free Revisions
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