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Multiple choice problems - Type I and Type II error.

For the following hypothesis test where H0£10 vs. Ha>10, we reject H0 at level of significance a and conclude that the true mean is greater than 10 while the true mean is really 8. Based on this information we can state that we have: 
i) Made a Type I error
ii) made a Type II error
iii) Made a correct decision
iv) Increased the power of the test

Statistics and Probability, Statistics

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