Math 12 final Vocabulary

Mode

For nominal variables, this is the only measure of central tendency that can be utilized

Descriptive

Involves collecting, simplifying, & giving the properties of data

Statistics

The science of collecting, simply find and describing saga as well as making inferences based on the analysis of data

A device that is helpful in listing the outcomes of a sequence of events

Tree diagram

A permutation is an arrangement of objects in a particular order

True

For a distribution skewed to the left, the value of the median is generally larger than the value of the mean

True

In a combination problem, order is not important

True

The sum of the probabilities of all outcomes in the sample space for an experiment must equal 1

True

Z scores can be negative

True

For a bell-shaped distribution, the mode, median, and mean all have the same value.

true

If E & F are disjoint events, then P(E & F) is

0

The probability of an event and its complement should sum to ___.

1

The total area under the normal distribution curve is equal to

1

When the distribution of the the original variable departs from normality, a sample size of ___ or more is needed to use the N.D. as an approximation for the sampling distribution of sample means

30

The __ of an interval estimate of a parameter is the probability that the interval estimate will contain the parameter

Confidence level

An __ is a collection or set of some of the possible outcomes from the sample space

Event

Any activity that yields a result or an outcome is called an

Experiment

Chebyshev's theorem applies only to the normal distribution

False

Probabilities can be negative

False

Discrete

The binomial probability distribution is an example of a ____ probability