Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Regression
Time Series Analysis
Forecasting
Formulas
Linear Trend Equation: Y = a + bt
b = [n∑(tY) - ∑t∑Y] / [n∑t² - (∑t)²]
a = [∑Y - b∑t] / n
Theorems
Least Squares Method
Suitable Grade Level
College Level or Advanced High School