Question: As part of a quality-control study aimed at improving a production line, the weights (in ounces) of 50 bars of soap are measured. The results

As part of a quality-control study aimed at improving a production line, the weights (in ounces) of 50 bars of soap are measured. The results are as follows, sorted from smallest to largest.

11.6 12.6 12.7 12.8 13.1 13.3 13.6 13.7 13.8 14.1 14.3 14.3 14.6 14.8 15.1 15.2 15.6 15.6 15.7 15.8 15.8 15.9 15.9 16.1

Construct a normal probability plot for these data. Do these data appear to come from an approximately normal distribution?

11.6 12.6 12.7 12.8 13.1 13.3 13.6 13.7 13.8 14.1 14.3 14.3 14.6 14.8 15.1 15.2 15.6 15.6 15.7 15.8 15.8 15.9 15.9 16.1 16.2 16.2 16.3 16.4 16.5 16.5 16.5 16.6 17.0 17.1 17.3 17.3 17.4 17.4 17.4 17.6 17.7 18.1 18.3 18.3 18.3 18.5 18.5 18.8 19.2 20.3

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