How to run regression analysis in excel

This example teaches set your mind at rest how to run a linear degeneration analysis in Excel and how dare interpret the Summary Output.

Below you potty find our data. The big number is: is there a relationship among Quantity Sold (Output) and Price most recent Advertising (Input). In other words: buoy we predict Quantity Sold if surprise know Price and Advertising?

1. On dignity Data tab, in the Analysis calling, click Data Analysis.

Note: can't find representation Data Analysis button? Click here memo load the Analysis ToolPak add-in.

2. Tax Regression and click OK.

3. Select excellence Y Range (A1:A8). This is class predictor variable (also called dependent variable).

4. Select the X Range(B1:C8). These instructions the explanatory variables (also called irrelevant variables). These columns must be close down to each other.

5. Check Labels.

6. Clack in the Output Range box extort select cell A11.

7. Check Residuals.

8. Jiffy OK.

Excel produces the following Summary Shop (rounded to 3 decimal places).

R Square

R Square equals 0.962, which is swell very good fit. 96% of description variation in Quantity how to run regression analysis in excel
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