Question

U.S. Manufactured General Aviation Shipments, 2009-2015 Year ΟΕΕΙ Qtr 2 Qtr 3 Otr 2009 312 Total 406 393 487 2010 239 1,598 373 271 440 2011 268 1,323 284 290 486 2012 307 1,328 357 333 507 2013 333 1,504 409 354 524 2014 1,620 330 388 379 2015 516 294 1,613 376 385 535 1,590 Click here for the Excel Data File (a) Plot the data on airplane shipments. Plot A Plot B US Aviation Quarterly Shipments (2009-2015) US Aviation Quarterly Shipments (2009-2015 600 600 500 400 MWWWWMMMM 200 200 100 100 amor 91 92 93 otar Qurl 03 Our 03 Qurur Or Otr3 Otri Otr3 Ctrl Otro

Answer 1

(a) The plot is:

Plot 600 500 400 Muhhhh 300 200 100 0 0 5 10 15 20 25 30

( b) Yes we can see the Seasonal Patterns

(c)

0.795

0.979

0.899

1.327

(d) Highest: Q4

Lowest: Q1

Q3

e) There is a slight Increasing trend in the deseasonalized data.

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