Your project is well underway. You are currently assembling the 10,000 devices that have been presold to the client. Your team is working 24hrs per day, with workers on day shifts and night shifts. On your morning LRT ride into work, you receive a text with production results from the previous night shift. They tell you that the night shift team assembled 12 units/hr. You are relieved because based on previous production data, you expect the team to produce between 11 and 15 units/hr, 95% of the time. 

What is the standard deviation of the production data used in the analysis?

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To calculate the standard deviation of the production data we first need ... View the full answer