You want to estimate the number of students in your school whose favourite subject is biology. You survey the first 10 students who arrive at biology club. Determine whether the sample is biased or unbiased. Explain.

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Solution

Step 1: An unbiased sample is representative of a population. It is selected at random unbiased sample and is large enough to provide accurate data. A biased sample is not representative of a population. One or more parts of the population are favoured over others
Step 2: The sample is a Biased Sample because the students in the biology club are not representative of a population.
Final Answer: The sample is a Biased Sample because the students in the biology club are not representative of a population. One or more parts of the students are favoured over others.

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