Math Problem Statement
The number of newly reported crime cases in a county in New York State is shown in the accompanying table, where x represents the number of years since 1998, and y represents number of new cases. Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest hundredth. Using this equation, find the projected number of new cases for 2006, rounded to the nearest whole number. Years since 1998 (x) New Cases (y) 0 1129 1 1126 2 1149 3 1194 4 1197
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Regression
Algebra
Statistics
Formulas
y = mx + b (Linear Regression Equation)
Slope Formula: m = (Σ(xi - x̄)(yi - ȳ)) / Σ(xi - x̄)^2
Theorems
Least Squares Method
Suitable Grade Level
Grades 10-12
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