In an experiment, one group of research participants is given 10 pages of material to proofread for errors. Another group proofreads the same material on a computer screen. The dependent variable is the number of errors detected in a 5-minute period. A .05 signifi cance (alpha) level is used to evaluate the results.
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Get Help Now!a. What statistical test would you use?
b. What is the null hypothesis? The research hypothesis?
c. What is the Type I error? The Type II error?
d. What is the probability of making a Type I error?
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