1734985389820664188 Watermark 994cb2da61450b97f94e2f0920752744 327696093437947904 84.38 KB 0:06 Play Download
X Y 88 162 638 216 57 226 547 229 946 155 793 182 342 28 618 214 Regression Equation 464.06 KB 0:33 Play Download