Two pizza delivery drivers compared the mean numbers of deliveries they completed in one day.
Mean number of deliveries Mean Absolute Deviation (MAD)
Driver A 16
1
Driver B
12
1
Which statement about the data is true?
A. The mean number of deliveries for driver A is more than the mean
for driver B by 4 MADs.
B. The mean number of deliveries for driver A is more than the mean
for driver B by 1 MAD.
C. The MAD for driver A is more than the MAD for driver B.
D. On average, driver A delivers fewer pizzas in one day than driver B.

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