So how do we actually decide whether the difference is large enough? We use statistical tests to calculate a p-value (probability) for the difference between the two groups we are comparing. In the beetle food preference experiment from above, it was found that beetles spend longer times with food #1 compared to food #2, and the p value for this difference was calculated to be 0.9. What does a p value of 0.9 mean here? Group of answer choices A- There's a 9 (nine) % chance that the difference is due to actual beetle preference of food #1 over food #2. B- There's a 9 (nine) % chance that the difference is due to chance, and not actual beetle preference of food #1 over food #2. C- There's a 90% chance that the difference is due to chance, and not actual beetle preference of food #1 over food #2. D- There's a 90% chance that the difference is due to actual beetle preference of food #1 over food #2.
So how do we actually decide whether the difference is large enough? We use statistical tests to calculate a p-value (probability) for the difference between the two groups we are comparing. In the beetle food preference experiment from above, it was found that beetles spend longer times with food #1 compared to food #2, and the p value for this difference was calculated to be 0.9. What does a p value of 0.9 mean here? Group of answer choices A- There's a 9 (nine) % chance that the difference is due to actual beetle preference of food #1 over food #2. B- There's a 9 (nine) % chance that the difference is due to chance, and not actual beetle preference of food #1 over food #2. C- There's a 90% chance that the difference is due to chance, and not actual beetle preference of food #1 over food #2. D- There's a 90% chance that the difference is due to actual beetle preference of food #1 over food #2.
Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Christine Evers, Lisa Starr
Chapter1: Invitation To Biology
Section: Chapter Questions
Problem 3FIO: Figure 1.15 Example of error bars in a graph. This graph was adapted from the peacock butterfly...
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So how do we actually decide whether the difference is large enough? We use statistical tests to calculate a p-value (probability) for the difference between the two groups we are comparing.
In the beetle food preference experiment from above, it was found that beetles spend longer times with food #1 compared to food #2, and the p value for this difference was calculated to be 0.9. What does a p value of 0.9 mean here?
Group of answer choices
A- There's a 9 (nine) % chance that the difference is due to actual beetle preference of food #1 over food #2.
B- There's a 9 (nine) % chance that the difference is due to chance, and not actual beetle preference of food #1 over food #2.
C- There's a 90% chance that the difference is due to chance, and not actual beetle preference of food #1 over food #2.
D- There's a 90% chance that the difference is due to actual beetle preference of food #1 over food #2.
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