We expect two proportions to be about 0.20 and 0.30, and we want an 80% chance of detecting a difference

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Home>Mathematics homework help>Numerical analysis homework help>We expect two proportions to be about 0.20 and 0.30, and we want an 80% chance of detecting a difference

Describe the error in the conclusion. Given: There is a linear correlation between the number of cigarettes smoked and the pulse rate. As the number of cigarettes increases the pulse rate increases. Conclusion: Cigarettes cause the pulse rate to increase.