Question: A sample of 50 plastic toggle levers with a nominal thickness of 1.9mm were measured and recorded the following actual thickness measurements in mm. By

 A sample of 50 plastic toggle levers with a nominal thickness

A sample of 50 plastic toggle levers with a nominal thickness of 1.9mm were measured and recorded the following actual thickness measurements in mm. By drawing a cumulative frequency chart or otherwise, calculate percentage of levers that don't have more than the nominal thickness. %

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