Using the .05 significance level, did she keep her promise? (a) Go through the five steps of hypothesis testing. (b) Illustrate your answer with a histogram of the sample's scores and sketches of the population distribution and the distribution of means, showing the t score and cutoff points for significance. (c) Explain your answer to someone who has never taken a course in statistics.
This question was asked on May 06, 2010.
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