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Curated Video
Reinforcement Learning and Deep RL Python Theory and Projects - Final Structure Implementation - 1
This is the first of the three-part video on the final structure implementation.
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This clip is from the chapter "Deep RL DQN" of the series "Reinforcement Learning and Deep RL Python (Theory and Projects)".This section focuses...
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This clip is from the chapter "Deep RL DQN" of the series "Reinforcement Learning and Deep RL Python (Theory and Projects)".This section focuses...
Global Health with Greg Martin
T-test, ANOVA and Chi Squared test made easy.
Statistics doesn't need to be difficult. Using the t-test, ANOVA or Chi Squared test as part of your statistical analysis is straight forward. You do need to understanding the underlying principles of hypothesis testing and p-values of...
Curated Video
Alteryx for Beginners - Random % Sample Tool
This video demonstrates how to use the Random % Sample tool in Alteryx.<br/<br/>>
This clip is from the chapter "Preparation Tab" of the series "Alteryx for Beginners".This section focuses on the Preparation tab.
This clip is from the chapter "Preparation Tab" of the series "Alteryx for Beginners".This section focuses on the Preparation tab.
Curated Video
Using Data to Make an Inference
In this short video we will answer a standardized math test question where we are as to make an inference based on a sampling of collected data from a survey. We will use what we know about proportionality to predict what a larger...
KnowMo
Types of Data and Sampling in Statistics
This video provides an overview of different types of data and sampling methods for data collection in statistics. The speaker identifies two key types of data - quantitative and qualitative - and explains their subcategories such as...
Science360
Science Behind The News: Opinion Polls & Random Sampling
During political elections, news organizations often use public opinion polls to help gauge which candidate is the front runner, and why. University of Michigan's Dr. Vincent Hutchings explains the science of random sampling that...
Curated Video
Choosing the Right Sample Size: Reducing Variation in Statistics
In this video, the concept of sampling in statistics is explained using examples of a fitness club and a history exam. The importance of random sampling and avoiding biased samples is emphasized. The video also highlights the...
Curated Video
Taking a Random Sample
In this video, the teacher explains the concept of using a sample to estimate a population parameter. They discuss the difference between a population and a sample, as well as the importance of randomization in selecting a representative...
Curated Video
Taking a Simple Random Sample Using a Random Number Generator
Walk through an example of selecting juniors and seniors in a high school to decide on the theme for the prom. This video provides step-by-step instructions on assigning numbers to each student, using the random number generator,...
Curated Video
How to Obtain a Random Sample for Surveys
This video explains how to obtain a random sample from a population using different methods such as drawing names or numbers, using a table of random numbers, or a random number generator on a calculator or computer. It emphasizes the...
KnowMo
Introduction to Sampling: How to Select a Representative Sample
This video is a lecture about sampling, which is a method used to collect and analyze data about a population. The lecturer explains that it is often not feasible to collect data from every member of a population, so a sample is taken...
Global Health with Greg Martin
Hypothesis Testing
Hypothesis testing is the cornerstone of statistical analysis and the scientific method. If you are doing research or analyzing data, then you might be wanting to use statistics to draw your conclusions. Using tests like the t-test,...
Curated Video
Reducing Margin of Error with Simulation and Sample Size
This video explains how to use simulation to decrease the size of a confidence interval, using the example of a cafeteria manager who wants to know how many parents of school children believe that school lunches are satisfactory. The...
Curated Video
Sampling Distributions and Approximation through Simulation
In this video, the teacher discusses the concept of sampling distributions and how to approximate them using simulations. The example used is about a high school surveying students' opinions on increasing graduation requirements for math...
Curated Video
Making Inferences about a Population Using Random Samples
In this lesson, students will learn how to use random sampling to make inferences about a population with an unknown characteristic. They will understand the importance of having a representative sample and the limitations of making...
Curated Video
Making Estimates About a Population Using Multiple Samples
In this video, the teacher explains how to make estimates about a population with an unknown characteristic by using the mean of multiple samples. The teacher demonstrates the process of setting up a proportion and calculating the mean,...
Curated Video
Analyzing the Likelihood of a Hypothesis through Sampling Distribution
In this video, the teacher explains how to determine the likelihood that a hypothesis is reasonable by approximating a sampling distribution and analyzing the results. The example used is whether a majority of students in a state are in...
Why U
Algebra 14 - Scatter Plots
Scatter plots are a powerful method of visualizing relations between sets of numeric values. As an example, trends in a binary relation between the height and weight of a group of people could be graphed and analyzed by using a scatter...
Curated Video
Estimating T-Shirt Orders for Field Day: Proportional Reasoning
Learn how to use proportional reasoning to estimate the number of t-shirts of each size to order for a field day. Review the concept of random sampling and how it helps in making valid inferences about the entire population. Explore how...
Curated OER
What is an Unbiased Sample?
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...
Curated OER
What is an Unbiased Sample?
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...
Sophia Learning
Sophia: Simple Random Samples
This tutorial explains simple random samples. Students can watch a video and then take a quiz to test their understanding.
Sophia Learning
Sophia: Contrasting Sampling Methods
In order to accurately reflect collected data, the right type of sampling method needs to be determined. [7:04]
Sophia Learning
Sophia: Unbaised Sampling Methods
Determine the three types of random samples and how these types are considered unbiased sample methods. Assess learning with a quiz.