Enrichment Math 2-Unit 10 Midterm Review 2024-25

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What is a survey?

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A survey is a method of collecting data from a group of individuals to gather information about their opinions, behaviors, or characteristics.

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What is sample size in a survey?

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Sample size refers to the number of individuals or observations included in a survey. It is crucial for determining the reliability of the survey results.

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How do you calculate the total number of respondents in a survey?

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The total number of respondents is calculated by adding all individuals surveyed, including those who may not have answered all questions.

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What does it mean to have a pet in survey terms?

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In survey terms, having a pet refers to individuals who own or care for animals, which can be categorized into types such as dogs, cats, etc.

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What is a tree diagram in statistics?

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A tree diagram is a visual representation used to show all possible outcomes of a survey or experiment, helping to organize data and understand relationships.

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What is the significance of understanding exclusive categories in surveys?

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Exclusive categories in surveys help to identify distinct groups without overlap, ensuring accurate data collection and analysis.

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How can you determine how many people watched only one sport?

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To determine how many people watched only one sport, subtract the number of people who watched multiple sports from the total number of viewers for that sport.

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What is the importance of defining variables in a survey?

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Defining variables is important as it clarifies what is being measured, ensuring that the data collected is relevant and interpretable.

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What does it mean to have no cell phone in survey data?

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Having no cell phone in survey data indicates individuals who do not possess or use a mobile phone, which can be a significant demographic factor.

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How do you interpret survey results?

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Interpreting survey results involves analyzing the data collected to draw conclusions about the population's opinions, behaviors, or characteristics.