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Evaluate Reports based on Data

Videos and lessons to help High School students learn how evaluate reports based on data.

Common Core: HSS-IC.B.6

Related Topics:
Common Core (Statistics & Probability)

Common Core for Mathematics

Types of statistical studies

Appropriate statistical study example
Alma has developed a new kind of antibiotic. For the antibiotic to be sufficiently effective, it has to kill at least 90% of bacteria when applied to a harmful bacteria culture. She applied her antibiotic to a petri dish full of harmful bacteria, waited for it to take effect, and then tried to estimate the percentage of dead bacteria in it.
She took a random sample of 300 bacteria, and found that 94% of them were dead. Then, she calculated the margin of error and found that the true percentage of dead bacteria is most likely to be above 90%.

Correlation and Causality
Understanding why correlation does not imply causality

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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