When analyzing data from experiments that involve more than two groups _________.
a. doing t tests on all possible pairs of means decreases the probability of making Type I errors
b. doing t tests on all possible pairs of means increases the probability of making Type I errors
c. it is generally permissible to do t tests between all possible pairs of means and use Student's t distribution
d. doing t tests on all possible pairs of means increases the probability of making Type II errors
Question 2
A major limitation of a two group design is that _________.
a. we can't run enough subjects
b. very often, two groups are insufficient for a clear interpretation
c. the population parameters may not be applicable
d. the means between groups may not differ
The cladistic approach from molecular genetic data
Energy budget for a temperate deciduous forest (data from Gosz et al. 1978).
Functional groups
Blood Groups and Blood Types
data
Gamete genotype frequencies calculated from genetic linkage data