The marketing manager of a large supermarket chain would like to determine the effect of shelf space (in feet) on the weekly sales of international food (in hundreds of dollars). a random sample of 12 equal –sized stores is selected, with the following results: store shelf space(x) weekly sales(y) 1 10 2.0 2 10 2.6 3 10 1.8 4 15 2.3 5 15 2.8 6 15 3.0 7 20 2.7 8 20 3.1 9 20 3.2 10 25 3.0 11 25 3.3 12 25 3.5 find the equation of the regression line for these data. what is the value of the standard error of the estimate? place your answer, rounded to 3 decimal places, in the blank. do not use a dollar sign. for example, 0.345 would be a legitimate entry.