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

Question

Quizplus · Accepted Answer

Independent samples are those that are not related or paired. In option B, the two groups (patients given Requip and patients given a placebo) are separate and not related, making them independent samples.

Determine Which Samples Are Independent Samples