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• > AP Statistics 9.5.2 - Testing Difference of Means - Independent Samples -SD Unknown
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# AP Statistics 9.5.2 - Testing Difference of Means - Independent Samples -SD Unknown

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Author: Miguel Ramirez
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For the school year 2013-2014 this tutorial has to be covered by students during weeks Mar 17 - Mar 21, Mar 24 - Mar 28

- This tutorial is part of the AP Statistics course at Galena Park High School

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Tutorial

## Testing Differences of Means - Unknown Standard Deviation - Independent Samples, By Dana Mosely

Video lecture for Brase-Brase Understandable Statistics 8 Ed, Ch 9.5

Source: Chalk Dust Productions, Houghton Mifflin Co

## Ch 9.5 Notetaking - Testing Means Independent Samples - SD Unknown

Notetaking help for video-lecture Testing Difference of Means - Independent Samples - Unknown Standard Deviation

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Source: Myers Linda: Brase-Brase Understandable Statistics Notetaking Guide

## Independent Sample Means T Test - Logic of this test, By ProfSanborne

Source: ProfSanborne at YouTube: http://www.youtube.com/watch?v=LN2SPvDOIts

## Two sample t-test example, cfmathssupport

Source: cfmathssupport at YouTube: http://www.youtube.com/watch?v=vV0RtkI2jxU

## Independent Samples t-Test, By statslectures

Source: statslectures at YouTube: http://www.youtube.com/watch?v=jyoO4i8yUag