Consider the following from an estate agent’s business nationally:   Month Houses Sold Jan 380 Feb 360 Mar 390 Apr 400 May 390 June 380 July 394 Aug 454 Sep 460 Oct 460 Nov 430 Dec 370     Calculate the three point moving averages (quarters) and seasonal variation for the above data

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Consider the following from an estate agent’s business nationally:

 

Month

Houses Sold

Jan

380

Feb

360

Mar

390

Apr

400

May

390

June

380

July

394

Aug

454

Sep

460

Oct

460

Nov

430

Dec

370

 

 

Calculate the three point moving averages (quarters) and seasonal variation for the above data

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