# Question

(a) In question 14, what is the probability that we made a Type I error? What would be the error in terms of the independent and dependent variables?

(b) What is the probability that we made a Type II error? What would be the error in terms of the independent and dependent variables?

(b) What is the probability that we made a Type II error? What would be the error in terms of the independent and dependent variables?

## Answer to relevant Questions

Foofy claims that a one-tailed test is cheating because we use a smaller zcrit, and therefore it is easier to reject H0 than with a two-tailed test. If the independent variable doesn’t work, she claims, we are more likely ...We ask if visual memory ability for a sample of 25 art majors (X = 49) is better than that of engineers who, on a nationwide test, scored p = 45 and σX = 14. Higher scores indicate a better memory. (a) Is this a one- or ...(a) Why can no statistical result prove that changing the independent variable causes the dependent scores to change? (b) What one thing does a significant result prove? A researcher predicts that smoking cigarettes decreases a person’s sense of smell. On a test of olfactory sensitivity, the µ for nonsmokers is 18.4. A sample of people who smoke a pack a day produces these ...A newspaper article claims that the academic rank of a college is negatively related to the rank of its football team. From a sample of 28 colleges, you obtain a correlation coefficient of - .32. (a) Which type of ...Post your question

0