1. In the data set, the sum of all the data points, divided by the number of data points; the average. 2. To find the mean, you add up all the data, and then divide by the number of data.
You find facts then look it up and then u answer
Building through the Sierra Nevada Mountains was very difficult and dangerous. Temperatures were freezing during the winter and in one year alone there were 44 storms.There was the great danger of an avalanche for the men working through 18 feet of snow and camping on the tunnels beneath it. Creating tunnels through the mountains required blasting with nitroglycerin. Advancing at one foot of mountain at a time, a total of 11 tunnels was created.
<span>Answer:
Expanded multifaceted collaborations likewise brought about the dissemination of logical and innovative customs
1. Greek and Indian arithmetic on Muslim researchers
2. return of Greek science and logic to western Europe by means of Muslim al-Andaius in Iberia
3. spread of printing and explosive innovations from east Asia into the Islamic realms and into Western Europe</span>
