Malfunctioning Wigwag
0:48
Malfunctioning Wigwag
The last operational Wigwag in the state of Washington, located in Pullman along the W&I, swinging it's heart out. Sadly, no trains on this night, the signal had malfunctioned. Despite the lack of a train, still neat to see a working wigwag that's not in a museum.
YouTubeMaFarnz已浏览 4.3万 次2011年3月2日
Railroad Crossing Accidents
SOLVED:Railroad Crossing Accidents The data show the number of railroad crossing accidents for the 50 states of the United States for a specific year. Construct a histogram, frequency polygon, and ogive for the data. Comment on the skewness of the distribution. (The data in this exercise will be used for Exercise 15 in this section.) (image cant copy)
SOLVED:Railroad Crossing Accidents The data show the number of railroad crossing accidents for the 50 states of the United States for a specific year. Construct a histogram, frequency polygon, and ogive for the data. Comment on the skewness of the distribution. (The data in this exercise will be used for Exercise 15 in this section.) (image cant copy)
numerade.com
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