The average number of people in a family attending college for various years is given in the table below: Year 1969 1973 1975 1979 1983 1988 1991 # Attending College 4.0 3.6 3.2 3.0 3.0 3.0 2.9 Calculate the least-squares regression line.  Estimate how many people in a family were attending college in 1986.  Give your answer accurate to one decimal point.

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The average number of people in a family attending college for various years is given in the table below:

Year 1969 1973 1975 1979 1983 1988 1991
# Attending College 4.0 3.6 3.2 3.0 3.0 3.0 2.9

Calculate the least-squares regression line.  Estimate how many people in a family were attending college in 1986.  Give your answer accurate to one decimal point.

 
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