Q2B.

Question

Identify each sample as biased or unbiased. Explain your reasoning.

A shoe company conducts an observation study that involves 10 girls and 2 boys to see which shoes are the most popular.

Step-by-Step Solution

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Answer

The sample is biased because a shoe company is conducting an observational study among 10 girls and 2 boys that implies the number of girls is more than the number of boys therefore, the shoes that are most popular will be the shoes that are most popular among the girls. That implies one group is preferred over the other group. Therefore, the sample is biased.

1Step 1. Identify each sample as biased or unbiased.

The sample is biased.

2Step 2. Explain the reasoning.

The sample is biased because a shoe company is conducting an observation study among 10 girls and 2 boys that implies the number of girls are more than the number of boys therefore, the shoes that are most popular will be the shoes that are most popular among the girls. That implies one group is preferred over the other group. Therefore, the sample is biased.

Q2A.

Q3A.

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