Question: The data shown here were collected on lost-time accidents (the gures given are mean work-hours lost per month over a period of 1 yea r)


The data shown here were collected on lost-time accidents (the gures given are mean work-hours lost per month over a period of 1 yea r) before and after an industrial safety program was put into effect. Data were recorded for six industrial plants. Plant Number 1 2 3 4 5 6 Beforergram 36 62 42 72 60 30 After Program 29 60 43 65 54 27 Do the data provide sufficient evidence to indicate Iwhether the safety program was effective in reducing lost-time accidents? Test using a = 0.01. [Use \"before _ \"after = Il'l'd') State the null and alternative hypotheses. O HO: pd = Oversus Ha: yd 0 O HO: pd 0 q! 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.) r: m
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