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Curated Video
How to Get Your Press Release Noticed
A bad press release can wind up in the circular file, but a great press release can give your business or organization the attention it deserves.
Curated Video
Reviewing Elements of a Biography
Mr. Griot teaches about the characteristics of a biography and examines a biography as he reviews Nurturing Nature: The Life of Rachel Carson. He also models how to create a timeline using the information learned from the biography about...
Curated Video
Identifying Representative Samples
In this video, students learn about the importance of representative samples in making accurate predictions about a population. They are introduced to the concepts of biased and unbiased sampling methods and given examples to understand...
Khan Academy
Khan Academy: Simulation Showing Bias in Sample Variance
This video uses a simulation to better understand why we divide by n-1 when we calculated an unbiased sample variance. When we are in an unbiased way trying to estimate the true population varience.
Sophia Learning
Sophia: Evaluation of Scientific Information
Join in the discussion of evaluating scientific sources. Be sure you are finding information that meets the criteria explained in this podcast. [0:51]
Khan Academy
Khan Academy: (N 1) Gives Us an Unbiased Estimate of Variance
This video uses a simulation to better understand why we divide by n-1 when we calculated an unbiased sample variance. When we are in an unbiased way trying to estimate the true population varience.