A detailed explanation of statistical sampling distributions is provided here. Several graphs are attached to aid in understanding. The sampling distribution of the mean and the Central Limit Theorem are also discussed at this site.

Students learn about population density within environments and ecosystems. They determine the density of a population and think about why population density and distribution information is useful to engineers for city planning and...

A report analyzing the population changes that have occurred in Texas since the middle of the 20th century, and the expected projections for the future. It breaks the numbers down by race and ethnicity to show that Hispanics will...

This lesson explains how to calculate and interpret the confidence interval for a population mean. It also looks at the effect on the confidence interval of changing the confidence level or sample size. It then explains how to find the...

In this activity students are exposed to the concept of sampling distributions by creating an example as a class. By having the students assemble the data, they can more readily understand that a sampling distribution is made up of a...

In this activity, students will apply the normal density function, normal cumulative distribution function, and inverse normal cumulative function to analyze a population with a normal distribution.

[Free Registration/Login Required] A collection of twenty data sets from SEDAC (Socioeconomic Data and Applications Center) that examine urbanization in major metropolitan areas of the United States in the late 20th and the early 21st...

Discover the varied and diversified people that make up the population of Labrador. The four separate cultures include the Inuit, the Innu, the Metis, and the Settlers. Learn all about them.

A map from 1920 of Africa and Madagascar showing the population distribution in the region, keyed to show densities ranging from under 2 persons per square mile to over 250 persons per square mile.

A map from 1920 showing the population distributions in Asia.

This U.S. Census Bureau Web site has two population clocks with notes available. One clock shows the population increase for the United States. The other shows the world population increase.

Try these practice problems comparing distributions.

Practice comparing distributions of data in different forms of graphical representation.

Calculate the standard deviation of a population. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] In this Concept, students will be introduced to the F-distribution in order to test hypotheses about multiple independent population variances.

Practice comparing distributions that are presented in dot plots, histograms, and box plots. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] This concept introduces the sampling distribution of the mean, inferring the population mean from samples and sampling error.

A map from 1971 showing comparative population distribution patterns of China and the United States. The map illustrates the terrain barriers to population development in China, and the trend to dense populations along the coast and...

A map from 1916 of North America, Central America, Greenland, and the Caribbean to Puerto Rico showing the population distribution at the time. The map is color-coded to show areas where the population density ranges from under 1...

A base map of Asia from 1921 showing the general population distribution of the region at the time. "The climate of southeastern Asia is so warm and moist that food plants grow there in abundance. Nearly half the people of the world live...

A base map from 1921 of North America, Central America, and the Caribbean showing the general population distribution in Alaska, Greenland, Dominion of Canada, United States, Mexico, and Central America at the time. People are most...

A map from 1907 of the United States showing the distribution of the population in 1870. The map is keyed to show areas of population with densities ranging from under 2 inhabitants per square mile to 90 and over inhabitants per square...

A map of the central and eastern United States in 1860 showing the distribution of the population in the region at the time. The map shows State lines, the frontier line in 1860, and is keyed to show the areas of population density...

Presents charts showing the age distribution by gender of the population of Texas in 1990 and 2000.