The following data come from an analysis of job times on a central laser printer that is connected to a computer network. Job time in minutes Number of jobs less than 2 7 at least 2 but less than 4 24 at least 4 but less than 6 50 at least 6 but less than 8 37 at least 8 but less than 10 19 at least 10 but less than 12 13 What is the mean time taken in minutes to 2 decimal places?

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The following data come from an analysis of job times on a central laser printer that is connected to a computer network.

Job time in minutes Number of jobs
less than 2 7
at least 2 but less than 4 24
at least 4 but less than 6 50
at least 6 but less than 8 37
at least 8 but less than 10 19
at least 10 but less than 12 13

What is the mean time taken in minutes to 2 decimal places?

 

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