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:
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:
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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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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