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Take a Test-John Mercado- Mozilla Firefox ile https://www.mathxl.com/Student/PlayerTest.aspx?testid=169323835&centen; vineyes MAT103 Fal2017 (1) Test: Chapter 5 Test Time Remaining: 01:32:33 Submit Tes This Question: 1 pt 7 of 19 (5 complete) | > )] This Test: 19 pts possit Determine whether the following graph can represent a variable with a normal distribution Explain your reasoning. If the graph appears to represent a normal distribution, estimate the mean and standard deviation. 10 15 20 25 30 Could the graph represent a variable with a normal distribution? Explain your reasoning Select the correct choice below and, if necessary, f in the answer boxes within your choice. O A. No, because the graph is skewed right. O B. No, because the graph crosses the xans. c. No, because the graph is skewed left D. Yes, the graph fulfills the properties of the nor mal distribution. The mean is approximately and the standard " deviation is about Type whole numbers.) Clicik to select and enter your answers 927 AM 41)) 11/10/2017 ^

Explanation / Answer

The last option is right

Range = 30-10 = 20, Stdev = Range/4 = 20/4 = 5

So, Standard deviation is about 5

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