Blog Post #7

Topic- Telling Time & Time Zones

Today in class we went over what he different time zones fo the world are. A time zone is a region of the Earth that is a different time from somewhere else on the Earth due to the rotation of the Earth and what parts the sun is shining on at different moments. We also learned about daylights saving time, this is when everyone sets their clock back one hour back when cold weather approaches, this give you one more extra hour of sleep. UTC stands for coordinated universal time, and GMT is the Greenwich Mean Time Zone. Standard deviation is a number used to tell how the measurements for a group are spread out from one another.

Geographers calculate standard deviation by by finding the average of the numbers, then for each number subtract the means and then square the result.

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