A farmer is concerned that a change in fertilizer to an organic variant might change his crop yield. He subdivides six lots and uses the old fertilizer on one half of each lot and the new fertilizer on the other half. The accompanying table shows a portion of the data (You may find it useful to reference the appropriate table: z table or table) Lot Old 10 11 1 11 New 12 10 ローター 12 DictureClick here for the Excel Data File Let the difference be defined as Old New. a. Specify the competing hypotheses that determine whether there is any difference between the average crop yields from the use of the different fertilizers.