Suppose a sample of adults revealed data regarding whether or not a person who smokes also has a tattoo. Given the observed data below, test the claim with a significance level of 0.05, that having a tattoo is independent of whether or not the person is a smoker. Smoker Non-SmokerTotalsHas a Tattoo3565 Doesn't have a Tattoo20100 Totals a) State the claim:b) State the Null Hypothesis: H0c) State the Alternative Hypotheis: H1d) Type of Test: e) Critical value: X2f) Test Statistic X2g) Decision:h) Conclusion:

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Description: Suppose a sample of adults revealed data regarding whether or not a person who smokes also has a tattoo. Given the observed data below, test the claim with a significance level of 0.05, that having a tattoo is independent of whether or not the pers

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose a sample of adults revealed data regarding whether or not a person who smokes also has a tattoo. Given the observed data below, test the claim with a significance level of 0.05, that having a tattoo is independent of whether or not the person is a smoker.

	Smoker	Non-Smoker	Totals
Has a Tattoo	35	65
Doesn't have a Tattoo	20	100
Totals

a) State the claim:

b) State the Null Hypothesis: H₀

c) State the Alternative Hypotheis: H₁

d) Type of Test:

e) Critical value: X²

f) Test Statistic X²

g) Decision:

h) Conclusion:

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