Search for tag: "measurements"

General Relativity and GPS

From the Perimeter Institute full video at https://www.youtube.com/watch?v=x7mWlAauLPs

From  John Terning on June 24th, 2021 0 likes 1 plays 0  

VEN123L Video 8.2 - Control Charts

What is a control chart? What are the components of a control chart and how do you make one? How is it used to determine whether things are going wrong over time? Copyright Thi Nguyen Do not…

From  Thi Nguyen on November 14th, 2020 0 likes 127 plays 0  

VEN123L Video 4.4 - Paired t-test

When would we use a paired t-test? How does it work? What are the similarities between a paired t-test and a one sample t-test for systematic error? Copyright Thi Nguyen Do not distribute without…

From  Thi Nguyen on October 15th, 2020 0 likes 67 plays 0  

202 Saturating and Draining Media

Saturating and draining our media with measurements of our container volume.

From  Grant Johnson on October 13th, 2020 0 likes 9 plays 0  

VEN123L Video 2.5 - When Things Go Wrong - Outliers and Repeatability

What are some other ways to know when things go wrong? How can we tell if a datapoint doesn't belong in our sample? How can we trust our data when we don't have the time and resources to…

From  Thi Nguyen on September 28th, 2020 0 likes 89 plays 0  

VEN123L Video 2.4 - When Things Go Wrong - Systematic Error

How much error is too much error? What is hypothesis testing and how do we use it to answer questions? How do we perform a one sample t-test? Copyright Thi Nguyen Do not distribute without…

From  Thi Nguyen on September 28th, 2020 0 likes 99 plays 0  

VEN123L Video 1.6 - Describing Data - Uncertainty

How sure are we of our measurements? Are they true, correct, or both? How can we convey our level of confidence in our measurements? Copyright Thi Nguyen Do not distribute without permission…

From  Thi Nguyen on September 27th, 2020 0 likes 101 plays 0  

VEN123L Video 1.5 - Describing Data - Precision and Accuracy

How can we report our results in a meaningful way? How do we convey how close measurements are to one another, or how close they are to an expected value? Copyright Thi Nguyen Do not distribute…

From  Thi Nguyen on September 27th, 2020 0 likes 106 plays 0  

VEN123L Video 1.4 - Some Fundamentals

Why do we perform measurements? What's the difference between a population, sample, and test sample? What are replicates? Why even bother with statistics? Copyright Thi Nguyen Do not distribute…

From  Thi Nguyen on September 27th, 2020 0 likes 105 plays 0