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Section A.6 Vocabulary Practice
Complete the sentences below. Use additional sentences if needed. Use diagrams where appropriate. Give an example of each definition or fact.
Subsection A.6.1 Descriptive Statistics
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A rectangular block in a histogram shows how much data is in the .
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The r.m.s. of a data list is .
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The SD of a data list is .
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The percentile rank of a data value is .
Subsection A.6.2 Two-variable data
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The correlation coefficient for 2-variable data is .
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An ecological correlation is .
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The regression line for 2-variable data is .
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The term regression effect refers to .
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The term regression fallacy refers to .
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The r.m.s. error for the regression line is .
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A homoscedastic scatter diagram is .
Subsection A.6.3 Probability
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The conditional probability of an event \(A\) given that another event \(B\) has happened is .
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The multiplication rule for probability is .
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The addition rule (for mutually exclusive events) is .
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The opposite rule for probability is .
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To say that two events \(A,B\) are mutually exclusive means .
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To say that two events \(A,B\) are independent means .
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The binomial probability formula says .
Subsection A.6.4 Sampling
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For the sum of random draws, the absolute error of a sample is .
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For the sum of random draws, the relative error of a sample is .
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For the sum of random draws, The Law of Averages says .
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The Square Root Law says .
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The Central Limit Theorem says .
