Terms for chp. 1-3

# Terms for chp. 1-3 - Chapter I Terms Statistics- It has...

This preview shows pages 1–2. Sign up to view the full content.

Chapter I Terms Statistics- It has four meanings, data; functions of data such as mean and range; techniques for collections, analysis, and interpretation of data for decision making; and the science of creating and applying the techniques. Population- collection of all people, objects, or events having one or more specified characteristics. Element- a single person, object, or event of the population. Concrete population- the number of elements is finite and the population is well defined; example: the population of telephone book listees. Conceptual Population- the population exists as an idea rather than as a material object; example: flipping a coin. Observation- (datum) the number or label used to represent an element of the population Sample- a proper subset of a population Descriptive Statistics- tools for depicting or summarizing data so it can be comprehended easier. Induction- an observation of a sample of elements and generalize from the sample to all the elements. Inferential Statistics- tools for inferring the properties of one or more populations from an inspection of samples drawn from the population. Random Sampling- a method of drawing samples from a population such that every possible sample of a particular size has an equal chance of being selected. Nonrandom Samples- a sampling method based on haphazard or puposeless choices. Chance Variability- (sampling fluctuation) the elements obtained differ from sample to sample. Variable- a characteristic that can take on different values.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## Terms for chp. 1-3 - Chapter I Terms Statistics- It has...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online