state the rejection region t> t

Data were collected on lost-time accidents (mean work-hours lost per month over a period of 1 year) before and after an industrial safety program was put into effect at six industrial plants. Plant Number 1 2 3 4 5 6 Before Program 38 63 44 71 58 28 After Program 29 58 44 63 52 30 IE USE SALT Do the data provide sufcient evidence to indicate whether the safety program was effective in reducing lost-time accidents? Test using a : 0.01. (Use \"Defere \"after = yd.) State the null and alternative hypotheses. O HO: pd = 0 versus Ha: \"a > 0 O HO: ,ud = 0 versus Ha: \"d 0 O Ho: \"a = 0 versus Ha: tidal: 0 0 Ho: \"a e 0 versus Ha: \"a = 0 State the test statistic. (Round your answer to three decimal places.) State the rejection region. (If the test is one-tailed, enter NONE for the unused region. Round your answers to three decimal places.) P'sl