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STT100 Introductory Statistics - 2026 Semester 2

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What is a stem-and-leaf diagram used for?
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What is statistics primarily concerned with?
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Which scale of measurement categorizes data without a specific order?
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A data analyst is comparing the distribution of exam scores across three different classes. She wants to visualize the central tendency, variability, and possible skewness or outliers in each dataset. Which type of data visualization is most appropriate for revealing the spread and shape of these numerical distributions, and why might it be more informative than a histogram in this context?

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Which of the following is a key feature of a scatterplot?
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Which scale of measurement allows for both categorization and ranking?
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What is a population in the context of statistics?
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What type of graph is used to show the relationship between two numerical variables?
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What is a frequency polygon?
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Which scale of measurement has meaningful differences between values but no true zero point?
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