Three years of monthly lawn-maintenance expenses ($) for a six-unit apartment house in southern Florida follow....

 

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Three years of monthly lawn-maintenance expenses ($) for a six-unit apartment house in southern Florida follow. Month Year 1 Year 2 Year 3 January 170 180 195 February 180 205 210 March 205 215 230 April 230 245 280 May 240 265 290 4 June 315 330 390 July 360 400 420 August 290 335 330 September 240 260 290 October 240 270 295 November 230 255 280 December 195 220 250 must a time series plot. What type of pattern exists in the data? Three years of monthly lawn-maintenance expenses ($) for a six-unit apartment house in southern Florida follow. Month Year 1 Year 2 Year 3 January 170 180 195 February 180 205 210 March 205 215 230 April 230 245 280 May 240 265 290 4 June 315 330 390 July 360 400 420 August 290 335 330 September 240 260 290 October 240 270 295 November 230 255 280 December 195 220 250 must a time series plot. What type of pattern exists in the data?