Question: Determine which samples are dependent samples.

A) Children given flu vaccine; Children given placebo vaccine

B) Survival rate of reestablishing the Gliricidia sepium tree; Survival rate of reestablishing the Bursera simaruba tree

C) Numerical abundance of floating insects in a certain river; Number of insecteating

fish in the river

D) Women given osteoporosis drug; Women given placebo