What is an example of the use of statistics to make predictions and decisions in our daily lives? How is a sample classified as biased? Why is a biased sample not useful as evidence to support a conclusion? What are two questions to ask about a sample to determine whether it is reliable? What is the difference between a fact and a statistical generalization? Explain the statement: "The strength of a conclusion is based on the quality of evidence used to support the conclusion." Use examples in your explanation. Are there cases when a small sample can provide sufficient research data? Explain your answer. How does a sample from a controlled study differ from a sample from a poll? Use an example of each in your explanation. How does a control group help us to evaluate the significance of the data gathered from a study? Be specific. How are blind and double-blind studies used to guard against bias? Discuss several ways that reasoning by analogy is useful