IListed 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 0.1, 0.15, 0.25, 0.12, and 0.38, respectively. Describe the trend in yield. (Round your answers to 3 decimal places.)
20018.51
20028.14
20037.97
20046.49
20057.47
20066.78
20076.81
20086.41
20095.78
20105.67
20115.74
20125.29
20135.23
need help in solving weighted average