Determine Which Samples Are Independent Samples

Multiple Choice

Determine which samples are independent samples.

A) Savannah moths monitored for survival at plot 1 of Iowa prairie; Savannah moths monitored for survival at plot 2 of Iowa prairie
B) Patients given the drug Requip for Restless Leg Syndrome; Patients given a placebo for Restless Leg Syndrome
C) Number of macroinvertebrates in a stream at first month; Number of macroinvertebrates in a stream at second month
D) Mothers who gave birth before week 35 of pregnancy; Their babies who developed autism