What is statistical significance?
a) A criterion used to determine the level of confidence of two groups differing at levels greater than chance
b) A criterion used to determine the level of confidence of the null hypothesis being false
c) The practical value or importance of the effect of an intervention
d) A method for expressing differences between groups in a common metric
Question 2
What is the goal of significance testing?
a) To be able to reject the null hypothesis in all cases
b) To be able to accept the null hypothesis in all cases
c) To provide an objective, agreed upon criterion to decide whether to reject the null hypothesis
d) To provide an objective, agreed upon criterion to effective intervention
Three routes of tissue-level transport in plants: transmembrane, symplastic, and apoplastic.
Using Parallax to Determine Distance
Sea-Level Rise
The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ...
How much the temperature will rise depends on many factors that affect the level of GHG emission
Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011