### statistic:

Average
* are ratios
* define that national character, etch the routines of everyday life.

### statistic | average:

Load average
* decaying average of the length of the system's run-queue.
* is how many processes are ready to run.

Mean
* are averages
  - capital
  - implementations
* are used for goals
  - help
* is an average

Current statistic
* give a person living today a one in three chance of dying from with cancer.
* indicate that approximately two million people are bitten by dogs each year.
* show that more men than women are in favour of abortion.
* suggest that at least several percent of the near-Earth asteroids are binaries.

### statistic:

Demographic
* All demographics indicate that the population of the United States is aging rapidly.
* also play an important role, in particular, the migration of people.
* are demographics
  - statistics
  - tangible, measurable facts that distinguish one group of people from another
* are the statistical characteristics of a human population
* can dramatically affect business decisions.
* compilation of marketing information.
* describe our community in terms of population, age and ethnicity.
* describes growth segments in terms of potential smokers.
* fundamentally drives business.
* have an impact on what kind of congregation is healthy.
* illustrate the rapid change in our society.
* indicate a good balance of age groups.
* is one of the more accurate sciences in predicting the future
  - the adjective describing the various characteristics of a population
* is the study of population characteristics and changes
  - the number of people in relation to their environment
* plays a large role in our marketplace.
* quantitative approach to audience analysis.
* research to identify markets.
* suggest an increase in incidences of mental health disease as the population ages.
* usually are an aspect of the larger Social issue.

### statistic | demographic:

Demographic change
* affects the number of both potential criminals and potential victims.
* alter the cultural setting of the community.
* are rapid in both the workplace and the wider community.
* calls for a new definition of the relationship between the generations.
* can have sizeable short and long-run effects on saving rates and factors returns.
* continue to affect patterns of college enrollment.
* has a major impact on the welfare bill.

### statistic:

Descriptive statistic
* Make a histogram of the ozone concentrations.
* are measures of location and variability used to characterize data arrays
  - the numbers that describe the phenomenon of interest
* describe or summarize data.
* describes the shape of the data.
* do exactly that, they describe distrubutions of data.
* involves organizing and summarizing important characteristics of the data.
* is about data summaries.
* provide a convenient way of summarizing scores by using numbers
  - descriptive summaries of samples and populations

Health statistic
* Many health statistics demonstrate that the mind can influence the body.
* are typical of low-income, food deficient countries.
* reveal a strong correlation between poverty and poor health.

National statistic
* indicate that someone in the United States suffers a stroke every minute.
* show that women students outnumber men in colleges and universities.

Parametric statistic
* are associated with a number of assumptions about the data.
* assume a normal distribution of data.

### statistic | parametric statistic:

Correlation coefficient
* are numbers that represent the relationship between two variables.
* measure of association btwn two variables.
* parametric statistic
* show how one variable predicts another.