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By default, for any question, the first answer option is given a score of 1, the second answer option a score of 2, etc. The formula used to calculate a mean is as follows.

Xn = number of responses (such as 3 responses for the first answer option, 5 responses for the second answer option, etc.)

Wn = score (default of 1 for the first answer option, 2 for the second answer option, etc.)

n = total number of responses obtained for the question

MEAN = [(X1 * W1)+ (X2 * W2) + (X3* W3) +… (Xn * Wn)]/n

You can customize by selecting specific answer options to include and exclude from all calculations(Mean,Variance,Standard Deviation,Standard Error,Confidence Interval),Chart,Data table and raw data

- Go to:
**Login » Surveys » Reports » Dashboard**

- Click the gear icon next to the question for which you want to customize the statistical calculation.
- Click on
**Customize Statistical Calculation** - uncheck the boxes next to the answer options you want to exclude from the statistical calculation.
- Click on
**Update**

The updated calculation can be found in the dashboard .If any answer option is excluded then it will be excluded from chart, all calculations, data table and reports.

To adjust scores, you’ll want to use the Custom/Inverse Scale. There are two ways to do this:

- Adjust the score from the
**Analytics**tab - Go to:
**Login » Surveys » Reports**

- Click the gear icon next to the question for which you want to customize the mean.
- Click on
**Customize / Inverse Scale**option - Enter the weight you want to assign to each answer under the
**Scale Value**column - Turn the
**Customized Scaling**option**on** - Click on
**Save Scale Values**

Customized Scale Weights need to be set up for each question individually.

Yes. Any single-choice question can have net promoter or top/bottom scores assigned for calculation.

- Go to:
**Login » Surveys » Reports**

- Click the gear icon next to the question for which you want to calculate net promoter or top/bottom score values.
- Click
**Custom Scoring Models**. - Select the type of
**Scoring Model**you want to apply. - Click on
**Save Scoring Model Values**. Your scoring model will be calculated and shown in the report.

This feature/tools described here are available with the following license(s) :

**Corporate Edition and above**- Buy Now - $75/Month