Suppose that the following were sales of beer in the Kitchener-Waterloo area by month for the 3 years shown:

a. Plot the data roughly to scale.

b. Is there a trend present?

c. Is there any seasonality? Discuss.

d. Are there any anomalies? Discuss.

e. What is your forecast of demand for January 2015? For June 2015?

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65 Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. 98 114 122 74 56 72 153 2012 73 69 68 64 2013 80 81 83 69 91 140 152 170 97 122 78 177 2014 95 66 81 100 93 116 195 194 101 197 80 189