Determine which samples are independent samples.
A) Women given hormones for menopause; Women given placebos
B) Cordgrass monitored for survival on the left bank of a creek; Cordgrass monitored for survival on the right bank of a creek
C) Black willow tree cuttings monitored for survival at 7 days; Black willow tree cuttings monitored for survival at 14 days
D) Mothers who smoked during pregnancy; Their babies who developed asthma

Question

Quizplus · Accepted Answer

Independent samples are those that do not influence each other. In option A, the two groups (women given hormones and women given placebos) are separate and do not affect each other's outcomes, making them independent samples.

Determine Which Samples Are Independent Samples