高中数学第三章统计案例3.1回归分析的基本思想及其初步应用第一课时线性回归模型课件新人教A版选修.ppt

第三章 统计案例,年龄,23,27,39,41,45,49,50,53,56,58,60,脂肪,9.5,17.8,21.2,25.9,27.5,26.3,28.2,29.6,31.4,33.5,35.2,-,-,-,-,x,21,23,25,27,29,32,35,y,7,11,21,24,66,115,325,-,-,-,学生号,1,2,3,4,5,6,7,8,9,10,x,120,108,117,104,103,110,104,105,99,108,y,84,64,84,68,69,68,69,46,57,71,-,-,x,3,4,5,6,y,2.5,3,4,4.5,学科,A,B,C,D,E,数学成绩,x,/,分,88,76,73,66,63,物理成绩,y,/,分,78,65,71,64,61,-,-,