To print 8.5 5.5 note pads, a copy shop uses standard 8.5 11 paper, glues

To print 8.5 × 5.5 note pads, a copy shop uses standard 8.5 × 11 paper, glues the long edge, then cuts the pads in half so that the pad width is 5.5 inches. However, there is variation in the cutting process. Set up a control chart for the mean width of a note pad, assuming that, in the future, pads will be sampled in random subgroups of 5 pads. Use this sample of 40 observations (widths in inches) to estimate and.

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5.52 5.57 544 5.48 5.43 5,56 547 547 5.51 5.48 5.54 5.44 5.52 5.53 5.53 5.47 5.55 5.46 5.53 5.50 5.44 5.43 5.48 5.49 5.53 5.45 5.47 5.59 5.46 5.51 5.46 5.56 5.54