Review questions
Review questions
1. In your own words, explain the difference between knowing something and understanding something. [Hint: Think about the reasons why scientists develop theories and how they go about this.]
2. Explain the difference between traditional scientific method and strong inference. Which is more useful for biology? Why?
3. What is the difference between the variance and the standard deviation? Why is the standard deviation often used instead of the variance?
4. When fitting a line to some data, how do we figure out the best slope and the intercept? [I know you would use a computer, but what is the computer doing when it draws the line?]
5. What is a P value? How do biologists use P values to draw conclusions about their data?
6. Briefly describe the difference between biological significance and statistical significance.
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