Math 225N - Statistical Reasoning Chapter -1 questions with answers

Math 225N - Statistical Reasoning
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Chapter #1 questions with answers |\ |\ |\ |\




Data - CORRECT ANSWERS ✔✔consists of information coming
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from observations, counts, measurements, or responses
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Statistics - CORRECT ANSWERS ✔✔The science of collecting,
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organizing, analyzing, and interpreting data in order to make
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decisions


Population - CORRECT ANSWERS ✔✔The collection of all
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outcomes, responses, measurements, or counts that are of
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interest.


Sample - CORRECT ANSWERS ✔✔A subset of the population
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Parameter - CORRECT ANSWERS ✔✔A number that describes a
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Population characteristic |\




Statistic - CORRECT ANSWERS ✔✔A number that describes a
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Sample characteristic
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Descriptive Statistics - CORRECT ANSWERS ✔✔Involves
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organizing, summarizing, and displaying data. (Tables, Charts,
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Averages)

, Inferential Statistics - CORRECT ANSWERS ✔✔Involves using a
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sample data to draw conclusions about a population.
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QuaLitative Data - CORRECT ANSWERS ✔✔Consists of attributes,
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labels, or non-numerical entries
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QuaNtative Data - CORRECT ANSWERS ✔✔Numerical |\ |\ |\ |\ |\ |\


measurements or counts. |\ |\




Nominal Data (Lowest) - CORRECT ANSWERS ✔✔Qualitative only;
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Uses names, labels, or qualities; NO MATH computations can be
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made at this level
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Ordinal Data (2nd) - CORRECT ANSWERS ✔✔Qualitative or
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Quantitative; Arranged in order or ranked; Differences between
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data are not meaningful
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Interval Data (3rd) - CORRECT ANSWERS ✔✔Quantitative data
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ONLY; Can be ordered; Meaningful differences between data can
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be calculated; Not an inherent Zero-Zero is just a position on a
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scale


Ratio Data (Highest) - CORRECT ANSWERS ✔✔Quantitative data
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ONLY; Can be ordered; Meaningful differences between data can
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be calculated; Iherent Zero-Zero means none, an absence of
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value