Question: The following data are the viscosity measurements for a chemical product observed hourly (read down, then left to right). (a) Construct and interpret either a

The following data are the viscosity measurements for a chemical product observed hourly (read down, then left to right).

(a) Construct and interpret either a digidot plot or a separate stem-and-leaf and time series plot of these data.
(b) Specifications on product viscosity are at 48 + 2. What conclusions can you make about process performance?

47.9 47.9 48.6 48.0 48.1 48.6 48.8 48.1 48.3 47.2 48.9 43.0 42.9 43.6 43.3 43.0 42.8 43.1 43.2 43.6 43.2 43.5 43.0 47.5 48.6 48.0 47.9 48.3 48.5 48.0 48.3 43.2 48.0 48.4 48.1 43.0 43.5 43.1 48.0 48.6

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