AP Statistics Course Vocab

The science of data.

A sample obtained by putting individuals into similar groups and randomly choosing some from each group.

An outcome of a chance process is more likely to occur if it has not occurred for a long time.

The claim that we actually believe to be true that we are trying to find evidence for.

Explains how the percent of variation of the dependent variable can be explained by the model or independent variable.

A sample where each individual was randomly chosen and randomly assigned to a treatment.

A range of plausible values for a parameter, based on a statistic.

A graph of the five-number summary cannot be described as

A family of distributions that always take on positive values and are skewed right.

A group of experimental units that are similar and so are treated as one experimental unit.

A random, independent variable that has 2 mutually exclusive results, where the # of trials is limited.

Minumum, Q1, Median, Q3, and Maximum values of a data set.

A variable of description rather than value.

Which inference tool does not require multiplying sample size times probability as a condition?

The number of standard deviations to be added/subtracted from the test statistic (z* or t*)

A variable that takes on an infinite number of values.

P\left(A∩B\right)

The standard deviation of a significance test or confidence interval.

The (inaccurate) use of a regression line to estimate outside the range of the given data.

Judgement, Voluntary and Convenience are all examples of

P\left(A∪B\right)

When the effects of two different variables on a response variable cannot be told apart.

The smallest collection of individuals to which a treatment is to be applied.

Explains the linear relationship between two quantitative variables, from -1 to 1.

The probability that an event will occur given that another event has already occurred.

Making conclusions about a larger population based on sample data.

A sample where each individual was randomly chosen from the population.

A study that attempts to survey every individual of the population.

The probability that an event does NOT happen.

The relationship between if someone is a climber and the # of pull-ups they can do can be described as a/an

A graph of quantitative data with two clear peaks.

A variable of value rather than description.