Sample Documents > Statistics > Sampling

Sampling

Document name

Characteristics

Description

CentralLimitTheorem

Demonstration from Statistics with 10 cases, 1 attribute. Useful for Activity, Demonstration

Provides a population that is non-normal and the ability to sample from it and observe the sampling distribution's approach to normal.

CollectingMeasuresDemo

Demonstration from Statistics with 10 cases, 1 attribute. Useful for Learning Fathom

Demonstration of how to use a measures collection to collect values while a slider value is changing.

PoissonDistSampleSizes

Demonstration from Statistics with 11 cases, 0 attributes. Useful for Learning Fathom

Shows how one can draw samples of randomly determined sizes. In this case, the sample sizes are chosen from a Poisson distribution with mean lambda.

Polling Simulation

Demonstration from Statistics with 20 cases, 1 attribute. Useful for Demonstration

Illustrates how repeatedly taking a poll from a population will build up a distribution of proportions that closely matches the prediction made using binomial probabilities.

Sample Until_withSlider

Demonstration from Statistics with 1 case with 1 attribute. Useful for Learning Fathom

Shows how to randomly choose a sample size.

SampleSizes with slider

Demonstration from Statistics with 1 case with 1 attribute. Useful for Learning Fathom

Provides a method for controlling sample size with a slider.

SampleSizes

Demonstration from Statistics with 1400 cases, 2 attributes. Useful for Learning Fathom

Shows the distribution of values drawn from a population for three slider-controlled sample sizes.

Small Sample

Simulation from Statistics with 3 cases, 1 attribute. Useful for Activity, Demonstration

Compares the distribution of means with the distribution of t-values for a small sample.

Stratified sampling

Simulation from Statistics with 1000 cases, 2 attributes. Useful for Learning Fathom

Demonstrates one way to do stratified sampling, using an "over-sampling" technique.

Stratified vs Simple

Simulation from Statistics with 100 cases, 10 attributes. Useful for Demonstration

Compares the sampling distribution of means using simple random sampling compared with that of stratified sampling.

StratifiedV2

Simulation from Statistics with 100 cases, 2 attributes. Useful for Demonstration

Compares the sampling distribution of means using simple random sampling compared with that of stratified sampling.

TorZ

Simulation from Statistics with 1 case, 1 attribute. Useful for Demonstration

Working with samples of size 3, shows that the sampling distribution of the t-statistic is a t-distribution, not a normal distribution.


Key Curriculum Press/Key College Publishing
www.keypress.com/fathom