Using the ratio-to-moving-average method, determine the specific seasonals for J

Question

Using the ratio-to-moving-average method, determine the specific seasonals for July, August, and September 2012. (Round your answers to 1 decimal place.)

Assume that the specific seasonal indexes in the following table are correct. Insert in the table the specific seasonals you computed in part (a) for July, August, and September 2012, and determine the 12 typical seasonal indexes. (Round your answers to 1 decimal place.)

The production of Reliable Manufacturing Company for 2012 and part of 2013 follows.

Explanation / Answer

A. July - 7.3, August - 7.2, September - 7.1

B. July - 42.4, August - 97.1, September - 182.5

The higest month above average was 9 and lowest month below average was 7.

slope -0.013 intercept 7.067 Month Year Production MA Centered MA Actual/CMA January 2012 7 February 2012 5 6.75 March 2012 12 6.6667 6.708333333 1.788819876 April 2012 9 6.75 6.708333333 1.341614907 May 2012 2 7.1667 6.958333333 0.28742515 June 2012 3 6.9167 7.041666667 0.426035503 July 2012 3 7.3 7.083333333 0.424 August 2012 7 7.2 7.208333333 0.971 September 2012 13 7.1 7.125 1.825 October 2012 8 November 2012 8 December 2012 4 January 2013 6 February 2013 6 March 2013 17 April 2013 6 May 2013 6 June 2013 2 July 2013 2

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