Dear Students,

Welcome back! Today is our first class in the Spring Semester. We learned many basic terms and concepts in Statistics:

• mean, median, mode, range
• weighted mean formula
• arithmetic mean VS geometric mean
• standard deviation 

Please check the notes here, and finish the homework on Test Innovators before next Sunday, and fill in the Google Form to let me know which questions you would like Ms. Li to go over. 

• One variable data distributions and measures of center and spread

See you soon!
Best,

Ms. Li

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