Final Exam Review Prob and Stats

Methods used to summarize the key characteristics of known data.

• descriptive statistics

• inferential statistics

• mathematical expectancy

• parameters

Methods involving the use of sample data to make generalizations about a population.

• descriptive statistics

• inferential statistics

• mathematical expectancy

• parameters

Subset of a population

• mean

• permutation

• sample

• normal distribution

From the mean: One standard deviation = 68%, two standard deviations = 95%, and three standard deviations = 99.7%

• z-score

• variation

• range

• empirical rule

Events for which the occurrence of any one of the events does not affect the probabilities of the occurrences of the other events.

• independent events

• dependent events

• mutually exclusive

• standard deviation

Events for which the occurrence of any one event affects the probabilities of the occurrences of the other events.

• independent events

• dependent events

• mutually exclusive

• standard deviation

Events that cannot occur simultaneously.

• independent events

• dependent events

• mutually exclusive

• standard deviation

Similar to a normal distribution but wider.

• t distribution

• uniform distribution

• skewed distribution

• double skewed distribution

A general description of the amount that values vary among themselves.

• parameter

• variation

• mutually exclusive

• conditional probability

A measure of variation about the mean.

• standard deviation

• parameter

• conditional probability

• mutually exclusive events