15

For the following scenarios, conduct a full hypothesis test where you write down all relevant statistics and parameters, check the conditions needed for the relevant distribution, state the null and alternative hypothesis and which type of test is being used, calculate the test statistic, draw and label a picture of the distribution, make a decision based on the classical or P-value approach, and write a conclusion in a complete sentence. 15/ (10 points) A sociologist wishes to determine whether the distribution of levels of education for adults in a certain region is different today than it was in a 2010 report. The sociologist randomly selects 1,000 adults and obtains the following data. The 'expected' column shows the distribution of highest degree earned assuming the 2010 report is true, and the 'observed' column is the actual data from the sample. Level of Education Observed Expected No Degree 267 310 Associates Degree 363 360 or Trade School Bachelor's Degree 240 220 Graduate or 130 110 Professional Degree Test the claim that the distribution is different today than it was in 2010 at the a = 0.05 significance level