Question: 1.Using these 20 data points from a normal distribution, find their and . Then find P(x <20). Compare that probability with the percent of the

1.Using these 20 data points from a normal distribution, find their and . Then find P(x<20). Compare that probability with the percent of the 20 data points that are below 20.

22.1 30.9 18.6 34.7 15.3 37.1 40.8 33.9 40.8 18.1 15.1 32.6 30.3 28.3 28.3 23.1 28.4 20.7 25.1 22.1

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