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Explain in detailed steps how to do linear regression equation calculation with numbers on excel.

Explain in detailed steps how to do linear regression equation calculation with numbers on excel.
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Answer #1

Linear regression equation is : y = a + bx

where, x is independent variable

y is dependent variable

a is y-intercept

b is slope

To do linear regression in Excel, we have to use Analysis Toolpak

1. First step is to enable it, Go to File > Options

2. Then select Add-ins and check Excel Add-ins is selected in manage box and then click Go.

3. In Add-ins dialog box, select Analysis Toolpak and click Ok.

4. You will now notice a Data Analysis tool is added to the Data tab.

5. Now from Data tab, click Data Analysis from the Analysis Group.

6. Select Regression and then Ok.

7. In Regression dialog box, configure x and y ranges.

Y range will be your dependent variable and X range will be your independent variable.

8. click OK and you can observe the regression analysis output created by excel.

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