(See related pages)
Studying this chapter should enable you to:
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Explain the difference between a statistic and a parameter. |
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Differentiate between categorical and quantitative data and give an example of each. |
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Construct a frequency polygon from data. |
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Construct a histogram and a stemleaf plot from data. |
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Explain what is meant by the terms "normal distribution" and "normal curve." |
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Calculate the mean, median, and mode for a frequency distribution of data. |
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Calculate the range and standard deviation for a frequency distribution of data. |
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Explain what a five number summary is. |
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Explain what a boxplot displays. |
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Explain how any particular score in a normal distribution can be interpreted in standard deviation units. |
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Explain what a "z score" is and tell why it is advantageous to be able to express scores in z score terms. |
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Explain how to interpret a normal distribution. |
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Construct and interpret a scatterplot. |
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Explain more fully what a correlation coefficient is. |
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Calculate a Pearson correlation coefficient. |
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Prepare and interpret a frequency table, a bar graph, and a pie chart. |
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Prepare and interpret a crossbreak table. |