Suppose a doctor measures the height, x, and head circumference, y, of 11 children and obtains the data below. the correlation coefficient is 0.928 0.928 and the least squares regression line is modifyingabove y with caret equals 0.168 x plus 12.799 y=0.168x+12.799. complete parts (a) and (b) below. height, x 27 27 25.25 25.25 26 26 25.5 25.5 27.5 27.5 26.25 26.25 26 2

Do, h = (7, 9) (14, 18) the scale factor is

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel