Question: Construct a run chart for the 48 values. Does there appear to be a pattern suggesting that the process is not within statistical control? Refer

Construct a run chart for the 48 values. Does there appear to be a pattern suggesting that the process is not within statistical control?
Refer to the amounts of energy consumed in the author's home. (Most of the data are real, but some are fabricated.) Each value represents energy consumed (kWh) in a two-month period. Let each subgroup consist of the six amounts within the same year.

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