A Political Analyst in Perth Surveys a Random Sample of Labor

Short Answer

A political analyst in Perth surveys a random sample of Labor Party members and compares the results with those obtained from a random sample of Liberal Party members. This would be an example of: $\begin{array}{|l|l|}\hline A.&\text {independent samples. }\\\hline B.&\text {dependent samples. }\\\hline C.&\text {independent samples only if the sample sizes are equal. }\\\hline D.&\text { dependent samples only if the sample sizes are equal.}\\\hline \end{array}$