A study compared tooth health and periodontal damage in a group of 40 young adult males with a tongue piercing and a control group of 50 young adult males without tongue piercing. Here are the summary statistics:GroupSample sizeMean of enamel cracksStDev of enamel cracksTongue piercing404.13.7No Tongue piercing501.31.6 For the Tongue Piercing Group, find a 95% confidence interval for the mean of enamel cracks of young adult males with a tongue piercing. Interpret your interval with the context. Which method will you use here to find you interval?1-sample T interval2-sample T interval2-sample Z test.2-proportion Z test Interpret your interval with the context.

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Description: A study compared tooth health and periodontal damage in a group of 40 young adult males with a tongue piercing and a control group of 50 young adult males without tongue piercing. Here are the summary statistics:GroupSample sizeMean of enamel cracks

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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A study compared tooth health and periodontal damage in a group of 40 young adult males with a tongue piercing and a control group of 50 young adult males without tongue piercing. Here are the summary statistics:

Group	Sample size	Mean of enamel cracks	StDev of enamel cracks
Tongue piercing	40	4.1	3.7
No Tongue piercing	50	1.3	1.6

For the Tongue Piercing Group, find a 95% confidence interval for the mean of enamel cracks of young adult males with a tongue piercing. Interpret your interval with the context.

Which method will you use here to find you interval?

1-sample T interval
2-sample T interval
2-sample Z test.
2-proportion Z test

Interpret your interval with the context.

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