Question

Identify each sample as $\mathit{b}\mathit{i}\mathit{a}\mathit{s}\mathit{e}\mathit{d}$or $\mathit{u}\mathit{n}\mathit{b}\mathit{i}\mathit{a}\mathit{s}\mathit{e}\mathit{d}$. Explain your reasoning.NEWSPAPERS A survey is sent to all people who subscribe to The Dispatch to determine what newspaper people prefer to read.

Short answer

The sample is biased.

Step-by-step solution

Step 1. Biased sample.

The data is invalid if sample favors one group over another. The sample is biased.

Step 2. Unbiased sample.

If a sample is random then it is unbiased sample.

Step 3. Identify the sample.

Here, the survey is sent to all people who subscribe to the Dispatch therefore the sample is biased.