Vocabulary Practice

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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

A rectangular block in a histogram shows how much data is in the .
The r.m.s. of a data list is .
The SD of a data list is .
The percentile rank of a data value is .

Subsection A.6.2 Two-variable data

The correlation coefficient for 2-variable data is .
An ecological correlation is .
The regression line for 2-variable data is .
The term regression effect refers to .
The term regression fallacy refers to .
The r.m.s. error for the regression line is .
A homoscedastic scatter diagram is .

Subsection A.6.3 Probability

The conditional probability of an event \(A\) given that another event \(B\) has happened is .
The multiplication rule for probability is .
The addition rule (for mutually exclusive events) is .
The opposite rule for probability is .
To say that two events \(A,B\) are mutually exclusive means .
To say that two events \(A,B\) are independent means .
The binomial probability formula says .

Subsection A.6.4 Sampling

For the sum of random draws, the absolute error of a sample is .
For the sum of random draws, the relative error of a sample is .
For the sum of random draws, The Law of Averages says .
The Square Root Law says .
The Central Limit Theorem says .

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