销售额变化阶梯图
某企业产品销售额抽查日期 1/1 1/8 1/15 1/22 1/29 2/5 2/12 2/19 2/26 3/5 3/12 3/19 3/26销售额 15000 16500 17000 14800 17200 16000 15200 14800 15500 15800 16800 17500 18000X轴误差 7 7 7 7 7 7 7 7 7 7 7 7 7Y轴误差 0 1500 500 -2200 2400 -1200 -800 -400 700 300 1000 700 500销 售 额 变 化 图5/235/34/133/243/42/121/231/312/1411/2411/410/15100001100012000130001400015000160001700018000190004/2 4/9 4/16 4/23 4/3018500 17000 16200 16000 180007 7 7 7 7500 -1500 -800 -200 2000销 售 额 变 化 图5/235/34/133/243/42/121/231/312/1411/2411/410/1510000110001200013000140001500016000170001800019000