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Introduction to t statistics | Confidence intervals | AP Statistics | Khan Academy

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An introduction to why we use t statistics. View more lessons or practice this subject at http://www.khanacademy.org/math/ap-statistics/estimating-confidence-ap/one-sample-t-interval-mean/v/introduction-to-t-statistics?utm_source=youtube&utm_medium=desc&utm_campaign=apstatistics AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and AP¨_ Statistics. Today he's hard at work creating new exercises and articles for AP¨_ Statistics. Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc
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Text Comments (10)
Tom Bagiotas (4 months ago)
2:18 He meant 'divided by'
Esteban Pereira (7 months ago)
What if I want to compare two groups that are not the same thing, using the t-value? I am making a survey. I want to see the relationship between the number of trips attracted by a building and compare with it's constructed area. I have one sample of 5 elements of each parameter.
cupcake lava (1 year ago)
What's the software that you use?
Noah (1 year ago)
Good introduction
Sathiskumar Education (1 year ago)
Which software you use to create the video
Ahmed Al-Samaneh (1 year ago)
from where do you get the sqrt of n? Why was it sigma_statistics and then turned to be sigma/sqrt(n) ?
Dragon Actual (1 year ago)
Would you like to run some statistics? Or observe phenomenon and render hypophysis of said phenomenon?
Martin Darby (1 year ago)
First #itsoldbutwhatthehell
Pikachu Plaza (1 year ago)
First subscribe to my channel
Joshua Barrientos (1 year ago)
Pikachu Plaza, Subbed and turned on notifications. Please sub back.

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