Subset the Buffalo, New York, curb recycling data (Buffalo_Monthly_ Recycling), by the variable Type = Curb Recycling,

Question:

Subset the Buffalo, New York, curb recycling data (“Buffalo_Monthly_ Recycling”), by the variable Type = “Curb Recycling,” with the help of computer software to fit a
a) Linear trend model.
b) Quadratic trend model.
c) Visually, which of the two fits appears to be best?

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