某服装商场为了了解毛衣的月销售量y(件)与月平均气温x(℃)之间的关系,随机统计了某3个月的月销售量与当月平均气温,其数据如下表: 月平均气温(°C)111312 月销售量y(件)253026 由表中数据能算出线性回归方程为 .(参考公式:) 答案: ;选词填空。1. I am lost. is the Holiday Hotel, please ? (Where, What) 2. can we get to the park ? (What, How) 3. We waited the chair. (on, in) 4. Where you going next Sunday ? (were, are) 5. My backpack is than yours. (big, bigger)