関連ワード:  how to get a line equation in excel    how to get a linear equation in excel    how to make a linear equation in excel    how to calculate a linear equation in excel    how to get a trend line equation in excel    how to get a linear regression equation in excel    how to make a line formula in excel    how to get straight line equation in excel    how to get regression line equation in excel    how to make a linear equation graph in excel