Which of the following represent dependent samples.
i. Life spans of pairs of siblings.
ii. Life spans of randomly-selected pairs of people
iii. Life spans of pairs of mothers and daughters
A) iii
B) $\mathrm { i }$ and iii
C) i, ii, and iii
D) $i$

Question

Quizplus · Accepted Answer

Dependent samples are those where the selection of one sample is influenced by or related to the selection of another sample. In options i and iii, the life spans of pairs of siblings and pairs of mothers and daughters are naturally related because they share genetics and often environments, making these samples dependent. Option ii involves randomly-selected pairs, which does not inherently create a dependency between the samples.

Which of the Following Represent Dependent Samples i\mathrm { i }i

Which of the Following Represent Dependent Samples $\mathrm { i }$