##### Asked by: Alastair Caturla

asked in category: General Last Updated: 3rd January, 2020# How is market variance calculated?

**calculate**the

**variance**of a portfolio with two assets, multiply the square of the weighting of the first asset by the

**variance**of the asset and add it to the square of the weight of the second asset multiplied by the

**variance**of the second asset.

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Likewise, what is market variance?

**Market** share **variance** shows the impact of a change in **market** share on the profits of a business. This information can be critical when evaluating the **marketing** and other costs that will be incurred to create and maintain an increase in **market** share.

Also Know, is variance a standard deviation? 6 Answers. The **standard deviation** is the square root of the **variance**. The **standard deviation** is expressed in the same units as the mean is, whereas the **variance** is expressed in squared units, but for looking at a distribution, you can use either just so long as you are clear about what you are using.

Thereof, how do you calculate market size?

**How to Calculate Market Size**

- Count up all the potential customers that would be a good fit for your business.
- Multiply that number by the average annual revenue of these types of customers in your market.

How do you explain variance?

**Variance** is calculated by taking the differences between each number in the data set and the mean, then squaring the differences to make them positive, and finally dividing the sum of the squares by the number of values in the data set.