The following data were gathered on lost-time accidents the, Ask an Expert

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The following data were gathered on lost-time accidents (the figures given are mean person-hours lost per month over the period of 1 year) both before and after the industrial safety program was put in effect. Data were recorded for the six industrial plants. Plant no. 1 2 3 4 5 6 Before program 38 64 42 70 58 30 After program 31 58 43 65 52 29 Do the data provide sufficient evidence to point out whether the safety program was effective in reducing lost-time accidents? (Use a=.10)

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