statistics – Khan Academy - Central de ajuda

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Hatoon Al-Sulami

16 de outubro de 2017 22:40

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1- A die with 6 faces is rolled. What is the probability that the number is greater than 4?

2-A researcher takes a sample of 120 employees of a company, the average age of company’s employees is

a statistic.
a parameter.
the median. (my guess is median)
a population.

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Ralph Schraven

18 de outubro de 2017 09:39

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There already are three courses on statistics:
- Math By Subject --> Statistics and probability (https://www.khanacademy.org/math/statistics-probability)
- AP Statistics (Click on "Math By Subject" first, then it's underneath "High school statistics") (https://www.khanacademy.org/math/ap-statistics)
- Math By Grade --> High School --> High school statistics (https://www.khanacademy.org/math/math-1-2-3/probability)
All three courses teach the concepts you described!

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