A.P. Statistics Curves and Distribution (Chapter Three) Key Words
standardizing
converting units from original values to standard deviation units
standardized value
z score of the value.
z - score
sta
A.P. Statistics Least Squares Regression (Chapter Five) Key Words
least-squares regression
a straight line that describes how a response variable y changes as an explanatory variable x
changes. Often
A.P. Statistics Population and Samples (Chapter Six) Key Words
Population
In a statistical study, the population is the entire group of individuals about which we want
information.
Sample
The part of
A.P. Statistics Intro to Statistics (Chapter One) Key Words
round off error
the error that occurs when the percents don't add up to 100%
pie chart
This must include all the categories that make up a w
A.P. Statistics Pairs and Errors (Chapter Eight) Key Words
Matched Pairs
A common form of blocking for comparing just two treatments. In some matched pairs designs,
each subject receives both treatmen
A.P. Statistics Probability (Chapter Nine) Key Words
The idea of probability
chance behavior is unpredictable in the short run but has a regular and predictable pattern in the
long run. Empirical. Bas
A.P. Statistics Confidence Levels and Formulas (Chapter Ten) Key Words
Confidence level C
The success rate of the method that produces the confidence interval. In C% of all possible
samples, the metho
A.P. Statistics Modes and Standard Deviation (Chapter Two) Key Words
modes
one or several major peaks
unimodal
a description of a distribution with one major peak
symmetric
a description of a distribu
A.P. Statistics Correlation and Variables (Chapter Four) Key Words
response variable
measures an outcome of a study. independent variable.
explanatory variable
attempts to explain the observed outcome
A.P. Statistics Experiments and Factors (Chapter Seven) Key Words
Experiment
Deliberately imposes some treatment on individuals to measure their responses.
Lurking Variable
A variable that is not amon