Thank you kindly! Question 7: 1 point(s) What does it really mean? Significance

Question

Thank you kindly!

Question 7: 1 point(s) What does it really mean? Significance level At a 5% significance level, researchers plan to conduct a test of the difference of two proportions to compare the rate of alcohol use among college students for two universities. When the study is conducted next Fall, rates of use will be estimated based on large independent random samples of college students from the two universities. Which of the following statements is the best interpretation of the proposed significance level of 5% in this context? Question 7 Multiple Choice Options There is a 5% chance that the rate of alcohol use is different for the two universities. O There is a 5% chance that the rate of alcohol use is the same for the two universities O If the rate of alcohol use is actually the same for the two universities, there is a 5% chance that the researchers will mistakenly conclude the rate of alcohol use is different for the two universities. O If the rate of alcohol use is not the same for the two universities, there is a 5% chance that the researchers will mistakenly conclude the rate of alcohol use is the same for the two universities.

Explanation / Answer

7.

Note that alpha = 0.05 is the probability of a type I error, which is incorrectly rejecting a true null hypothesis.

Hence, it is

OPTION C: If the rate of alcohol is actually the smae for the two universities, there is a 5% chance that the reseacrhers will mistakenly conclude the rate of alcohol use is different for the two universities. [ANSWER]

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3.

As Ho was rejected, and a type I error is incorrectly rejecting a true null hypothesis, then

OPTION A: Type I error [ANSWER]

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