AP Statistics Vocabulary Pt4

A diagram used to display the sample space of a chance process involving a sequence of outcomes

A graph that shows the relationship between two quantitative variables using dots.

The distribution of many samples.

The probability that a test will reject the Null when the Alternative is true.

The maximum minus the minimum.

A family of distributions like the Normal curve expect with more variability in the samples.

A Normal distribution with mean 0 and standard deviation of 1.

Occurs when we reject the Null hypothesis when it was actually true.

The response value a Least Squares Regression Line would expect for a given explanatory value.

The difference between an observed value and its predicted/expected value.

A non-symmetric distribution that has a distinct tail.

When the right and left sides of a distribution are mirror images of each other.

An event that rarely would have happened just by chance.

The # of standard deviations an observation falls from the center of a Normal distribution.

An imitation of a chance behavior that uses a model that accurately represents the situation.

The distribution of just one sample.

Decisions based through a process of chance.

The set of all possible outcomes of a chance process.

When a distribution is even across the full range of values of the variable.

The science of data.

A smaller group of individuals whose information is used to infer about a larger group.

Occurs when we fail to reject the Null hypothesis when it was actually false.

A fixed value used as a cutoff on what probability is or is not statistically significant.

A number between 0 and 1 that describes the proportion of an outcome in a chance process.

A procedure using a sample statistic to make a decision about the validity of a claim.