Homework SourseSection 12 1416 Determine whether this study depicts an obse
Section 1.2
14-16. Determine whether this study depicts an observational study or an experiment.
14. While shopping, 200 people are asked to perform a taste test in which they are drinking from two randomly placed, unmarked cups. They are then asked which drink they prefer.
Answer:
16. Conservation agents netted 250 large-mouth bass in a lake and determined how many were carrying parasites.
Answer:
| Section 1.2 |
| 14-16. Determine whether this study depicts an observational study or an experiment. |
| 14. While shopping, 200 people are asked to perform a taste test in which they are drinking from two randomly placed, unmarked cups. They are then asked which drink they prefer. |
| Answer: |
| 16. Conservation agents netted 250 large-mouth bass in a lake and determined how many were carrying parasites. |
| Answer: |
Solution
14.This example depicts an experiment.In an experiment usually treatments are applied to experimental units and then the effect of treatment is studied.
16.This example depicts an observational study. In study usually human intervention is not needed and if needed then also to a small extent.
