An OSH officer in one factory is interested to compare the average number of workplace accidents...

 

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An OSH officer in one factory is interested to compare the average number of workplace accidents per month in four different departments within the factory. He collected the number of workplace accidents per month over a period of six months. Data are listed in Table 2. Table 2 Month Production Warehouse Sales Administration January 5 3 2 1 February 4 st 2 1 0 March 3 4 2 1 April 6 3 3 1 May 7 2 1 2 June 5. 3 2 0 Answer the following questions without using any software output. a) Construct a complete Analysis of Variance table. b) Determine whether there is a statistically significant difference in mean number of workplace accidents among the four departments using level of significance 0.05. c) Based on your answer in (a) and (b), comment on the workplace accidents among the four departments. An OSH officer in one factory is interested to compare the average number of workplace accidents per month in four different departments within the factory. He collected the number of workplace accidents per month over a period of six months. Data are listed in Table 2. Table 2 Month Production Warehouse Sales Administration January 5 3 2 1 February 4 st 2 1 0 March 3 4 2 1 April 6 3 3 1 May 7 2 1 2 June 5. 3 2 0 Answer the following questions without using any software output. a) Construct a complete Analysis of Variance table. b) Determine whether there is a statistically significant difference in mean number of workplace accidents among the four departments using level of significance 0.05. c) Based on your answer in (a) and (b), comment on the workplace accidents among the four departments.