a Select a random sample of 1% of your data by selecting dataseselect cases and selecting 'sample' and 'approsimately Th\": of cases.' 1:} Formally write your statistical hypotheses. c Use the frequencies dialogue menu to get the standard deviation, mean, and sample size for the variable Tarot?\" d What is the appropriate test statistic and sampling distribution for this case? Will you do a one+tailed or two- tailed test? Why? i How many degrees of freedom do you have? ii What is the appropriate value for the test statistic for your oneftwoutaiied test when: iii1. tr=.05 2. o'=.1 3. o=.Ul e By using the mean and standard deviation, calculate your test statistic by hand; recall that your comparison 'population' value is 6.1. f What do you conclude about your hypotheses? Is the conclusion the same at all levels of signicance? i If you ran a onetailed test, now compare with a twotailed test. Likewise, if you started with a twoatailed test, compare with a one-tailed tesL Are your ndings the same? g Write a few sentences summarizing these results to your boss. Be sure to include mention of the type of test you used, what the result was, and the highest level at which the results were signicant, if at all. Also write a sentence about the \"so what' of your results: What does this mean for your intervention, and how large was the change produced