STA 225 Midterm: STA 225 Oakland STA 225 Test 3 Fall 2004
Document Summary
Show all work, where appropriate, to receive full credit. For problems requiring written responses, give answers which are complete but brief. Circle the answer of the best response for each question. No work needs to be shown for this part. If you circle more than one response, your answer will be graded as incorrect even if one of your answers was correct. In a test of significance, the p-value of the test statistic is . 075. A type 1 error is committed if you (a) (b) (c) (d) accept a false null hypothesis. accept a false alternative hypothesis. reject a true null hypothesis. reject a false alternative hypothesis. The sampling distribution of a statistic is (a) (b) (c) The probability that we obtain the statistic in repeated random samples. The mechanism that determines whether randomization was effective. The distribution of values taken by a statistic in all possible samples of the same size from the same population.
