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# Student's t-Distribution

## Confidence intervals and sample size less than 30

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Student's t-Distribution

This Concept introduces the Student's t-distribution and degrees of freedom.

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## The T-Test

by CK-12 //at grade

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• Video

## Student's t-Distribution

Shows how you can estimate a range of the possible values for the population mean from a student's t-distribution.

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• Practice
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## Student's t-Distribution Practice

by CK-12 //at grade
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• Study Guide

## Types of Distributions

by Danielle Pintz //at grade

covers normal, binomial, multinomial, geometric, poisson, and student's t distributions

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