Question
Imagine that I have a therapy that I believe will lower people's anxiety. Using the following measurement of people's anxiety after having had a course
Imagine that I have a therapy that I believe will lower people's anxiety. Using the following measurement of people's anxiety after having had a course of the therapy, conduct a twotailed z-test against the null hypothesis that the = 55 and = 6. 47 54 39 43 53 45 47 49 46 38 58 44 43 45 50 51 52 52 46 42 Be sure to include in your answer a histogram of the data, the mean and sd of the data, formal statements of the null and alternative hypotheses, the critical value of z, the observed value of z, a statement of the statistical result, and an English-language statement of you conclusion.
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