Math Problem Statement

Use linear regression to find the equation for the linear function that best fits this data. Round parameters to two decimal places. Data: x = [1, 2, 3, 4, 5, 6], y = [814, 1037, 1192, 1457, 1891, 2244].

Solution

The problem asks for a linear regression to find the equation of the linear function that best fits the given data, rounding the parameters to two decimal places.

Data points:

  • x=[1,2,3,4,5,6]x = [1, 2, 3, 4, 5, 6]
  • y=[814,1037,1192,1457,1891,2244]y = [814, 1037, 1192, 1457, 1891, 2244]

We need to use the formula for the linear regression equation, which is: y=mx+by = mx + b where:

  • mm is the slope,
  • bb is the y-intercept.

The slope mm and intercept bb can be computed using the following formulas: m=n(xy)(x)(y)n(x2)(x)2m = \frac{n(\sum{xy}) - (\sum{x})(\sum{y})}{n(\sum{x^2}) - (\sum{x})^2} b=ym(x)nb = \frac{\sum{y} - m(\sum{x})}{n} where nn is the number of data points.

Let me calculate these values for you.The linear equation that best fits the given data using linear regression is:

y=285.06x+441.47y = 285.06x + 441.47

Let me know if you need further details or explanations. Here are some related questions to deepen your understanding:

  1. How is the linear regression formula derived?
  2. What is the significance of the slope and y-intercept in the linear equation?
  3. Can you explain how linear regression works in machine learning?
  4. How can we measure the accuracy of a linear regression model?
  5. What are some common applications of linear regression in real-world data analysis?

Tip: Always plot your data along with the regression line to visually assess the fit!

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Math Problem Analysis

Mathematical Concepts

Linear Regression
Algebra

Formulas

y = mx + b
m = (n(Σxy) - (Σx)(Σy)) / (n(Σx^2) - (Σx)^2)
b = (Σy - m(Σx)) / n

Theorems

Linear Regression

Suitable Grade Level

Grades 10-12