Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...

Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...

Experimental design can be both incredibly intuitive and very high-concept when first introduced to learners. This video does a great job of discussing sampling methods and bias simply, without over-reducing...

Pupils watch a video to learn about different types of sample design and how to use technology to create a random sample. They discover different types of bias that may happen due to the sampling design or the questions. Learners use...

If some genes were exposed to microwaves, would that cause microevolution? In the video, scholars learn about microevolution or any change in the allele frequency of a population. The instructor explains the five ways microevolution...

Explains the science behind the public opinion polls and random sampling that are used during political elections, and how they can be used to predict how the wider population might vote. [4:07]

Determine the three types of random samples and how these types are considered unbiased sample methods. Assess learning with a quiz.

This tutorial introduces you to unbiased sampling which can be helpful when trying to learn about a population. [5:04]

In order to accurately reflect collected data, the right type of sampling method needs to be determined. [7:04]

This lesson will define and explain the differences between a sample and a population. The difference between a representative sample and a biased sample will be described. It is 3 of 7 in the series titled "Sampling."

This lesson will introduce the process of sampling. It is 6 of 7 in the series titled "Sampling."

Discover the difference between a sample and a population and how they are used in surveys. Assess learning with a quiz. [2:26]

This QuickTime movie discusses sampling of a population using M&M's candy. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This lesson will introduce the process of sampling. It is 2 of 7 in the series titled "Sampling."

This lesson explains the process for doing a hypothesis test about an unknown population parameter by examining required conditions and assumptions, calculating the test statistics, finding the p-value, and stating the conclusion....

Sal Khan introduces the magic behind the law of large numbers. [8:59]