Statistics 简明教程
Statistics - Ti 83 Exponential Regression
Ti 83 指数回归用于计算最适合无歧视变量集之间的相关关系的方程。
Ti 83 Exponential Regression is used to compute an equation which best fits the co-relation between sets of indisciriminate variables.
Formula
其中——
Where −
-
${a, b}$ = coefficients for the exponential.
Example
Problem Statement:
Problem Statement:
针对下列数据点计算指数回归方程 (y)。
Calculate Exponential Regression Equation(y) for the following data points.
Time (min), Ti |
0 |
5 |
10 |
15 |
Temperature (°F), Te |
140 |
129 |
119 |
112 |
Solution:
Solution:
令 a 和 b 为指数回归系数。
Let consider a and b as coefficients for the exponential Regression.
Step 1
Step 1
其中——
Where −
-
${n}$ = total number of items.
Step 2
Step 2
Step 3
Step 3
在指数回归方程（y）中代入 a 和 b 的值，我们得到。
Putting the value of a and b in Exponential Regression Equation(y), we get.