Question: Using the dummy variable approach, forecast sales for January through December for the fourth year. Month First Year Second Year Third Year January 242 263

Using the dummy variable approach, forecast sales for January through December for the fourth year.

Month First Year Second Year Third Year January 242 263 282 February 235 238 255 March 232 247 265 April 178 193 205 May 184 193 210 June 140 149 160 July 145 157 166 August 152 161 174 September 110 122 126 October 130 130 148 November 152 167 173 December 206 230 235
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