Question: Use this data below to answer the question: What is the Y-intercept (a) of the least squares trend line for these data? YEAR TOTAL ENROLLMENT

Use this data below to answer the question: What is the Y-intercept (a) of the least squares trend line for these data? YEAR TOTAL ENROLLMENT t ty t2 2011 2,000 1 2,000 1 2012 2,200 2 4,400 4 2013 2,800 3 8,400 9 2014 3,000 4 12,000 16 Sum 10,000 10 26,800 30 O 2050 1500 O 1600 O 2000 2275

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