Q7.
Question
To determine whether voters support a new trade agreement, 5 people from the list of registered voters in each state and in the District of Columbia are selected at random. Is the sample biased or unbiased?
Step-by-Step Solution
Verified Answer
The given sample is unbiased.
1Step 1. Define the meaning of biased sample.
If a sample favors one group over another, then it is a biased sample.
2Step 1. Define the meaning of unbiased sample.
If a sample is selected at random, then it is unbiased sample.
3Step 3. Determine whether the given sample is biased or unbiased.
Since, 5 people from the list of registered voters in each state and in the District of Columbia are selected at random.
So, this sample is selected at random.
Hence, this sample is unbiased.
Therefore the given sample is unbiased.
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