Question

linear regression
use a graphing calculator to find the linear regression equation for the line that best fits this data. round slope and y - intercept to two decimal places. write your final answer in a form of an equation y = mx + b
x 1 2 3 4 5 6
y 92 117 139 173 192 209
y = 24.11x + 69.17 ×

Explanation:

Step1: Enter data into calculator

Enter the x - values (1, 2, 3, 4, 5, 6) and y - values (92, 117, 139, 173, 192, 209) into the graphing calculator's list editor.

Step2: Perform linear regression

Use the linear regression function (usually labeled as LinReg(ax + b) or similar) on the graphing calculator.

Step3: Round coefficients

Round the obtained slope \(m\) and y - intercept \(b\) to two decimal places.

Answer:

\(y = 24.11x+69.17\)