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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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daniellasousa daniellasousa
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4 years ago
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?
I.   Construct a histogram and/or stem-and-leaf display of the data and check the shape.
II.  Compute the intervals ± s, ± 2s, and ± 3s, and determine the percentage of measurements falling in each. Compare these percentages to 68%, 95%, and 100%.
III. Calculate a value of . If this value is approximately 1.3, then the data is normal.
IV. Construct a normal probability plot of the data. If the points fall on a straight line, then the data
is normal.


▸ III only

▸ I only

▸ II only

▸ I, II, III, and IV

▸ IV only
Textbook 
Statistics

Statistics


Edition: 12th
Authors:
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h00304413h00304413
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daniellasousa Author
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4 years ago
Smart ... Thanks!
Butwhy
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Yesterday
Helped a lot
karamsidhu1
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2 hours ago
Thanks
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