Mathematics, 07.04.2020 20:11 carlosiscr7
A statistician received some data to analyze. The sender of the data suggested that the data was normally distributed. Which of the following methods can be used to determine if the data is, in fact, normally distributed? O Compute the intervals x – bar #s, X – bar + 2s, and x – bar = 3s and determine the percentage of measurements falling in each. Compare these percentages to 68%, 95%, and 100%.
O Calculate a value of IQR. If this value is approximately 1.3, then the data is normal.
o Construct a normal probability plot of the data. If the points fall on a straight line, then the data is normal.
O Construct a histrogram and/or stem-and-leaf display of the data and check the shape.
O All of these could do this.
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A statistician received some data to analyze. The sender of the data suggested that the data was nor...
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