If the homogeneity of variance assumption is violated in an independent groups t test, this means _________.
a. the populations from which the samples were drawn have different standard deviations
b. you should use the sign test
c. the sample sizes should be equal and N greater than 30 to use the t test
d. the populations from which the samples were drawn have different standard deviations and the sample sizes should be equal and N greater than 30 to use the t test
e. all of these
Question 2
Assuming large between subject variability, which of the following tests is usually the most sensitive (N held constant)?
a. t test for correlated groups c. t test for independent groups
b. sign test d. they are all equal in sensitivity
Independent assortment produces 50 percent recombinants
Some common functional groups of biomolecules
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ...
Basic Food Groups and Their Major Nutrients (Continued)
Eating Breakfast Means More Energy and Fewer Calories throughout the Day