Answer Happy

Mr and Mrs Smith live in a small town with two primary schools A and B. They are trying to decide which school would provide a better learning environment for their children. They have available the results of recent national tests in mathematics, English and science. Eace child in the final year took three tests, one in each subject, and they either passed or failed each test. The results are summarized in the table below. Number passes 3 passes 1 or 2 passes School No passes School A 14 23 13 School B 12. 7 13 You examine at the 5% level of significance whether these data provide evidence of association between length of service and type of training How many degrees of freedom are there? Choose... Given a test statistic of 6.012, which decision is appropriate Choose...