d. To adjust the amount dispensed for Miya, calculate the mean amount of fertilizer she dispensed in
her three trials, and subtract that mean from each of her amounts dispensed. Show all
computations.
The plot below shows the Adjusted Amount Dispensed for the other four volunteers.
e. Add Miya’s Adjusted Amount Dispensed for each type of spreader to the plot above. Then
comment on what this new plot reveals about the differences in amounts dispensed between the
types of spreaders.
END OF SECTION II
Answers to Practice Test 1, Section I
1. B
2. B
3. C
4. B
5. C
6. E
7. A
8. E
9. E
10. D
11. D
