Listed below is the number of movie tickets sold at the Libr

Listed below is the number of movie tickets sold at the Library Cinema-Complex, in thousands, for the period from 2001 to 2013. Compute a five-year weighted moving average using weights of 0.15, 0.15, 0.2, 0.15, and 0.35, respectively. Describe the trend in yield. (Round your answers to 3 decimal places.) 2001 8.51 2002 8.34 2003 7.27 2004 6.39 2005 7.47 2006 6.58 2007 6.71 2008 6.51 2009 5.68 2010 5.87 2011 5.74 2012 5.29 2013 5.63

  There is a regular (Click to select)increasedecrease of approximately 0.2 per year.

Solution

moving average = sum of all / total numbers

sum of all =  8.51 + 8.34 + 7.27 + 6.39 + 7.47 + 6.58 + 6.71 + 6.51 + 5.68 + 5.87 + 5.74 + 5.29 + 5.63

= 85.99

moving average = 85.99/13 = 6.61