 # SKEW.P

In this comprehensive article, we will explore everything you need to know about the SKEW.P formula in Excel. The SKEW.P function is a statistical function that calculates the skewness of a given dataset. Skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable about its mean. In other words, skewness tells you the amount and direction of skew (departure from horizontal symmetry) in the data. A negative skew indicates that the data is skewed to the left, while a positive skew indicates that the data is skewed to the right.

## SKEW.P Syntax

The syntax for the SKEW.P function in Excel is as follows:

SKEW.P(number1, [number2], …)

Where:

• number1 is the first number or cell reference in the dataset.
• [number2], … are optional additional numbers or cell references in the dataset. You can provide up to 254 additional arguments.

Note that the SKEW.P function requires at least three data points to calculate skewness. If there are fewer than three data points, the function will return a #DIV/0! error.

## SKEW.P Examples

Let’s look at some examples of using the SKEW.P function in Excel.

Example 1: Calculating the skewness of a dataset

Suppose you have the following dataset: 5, 10, 15, 20, 25. To calculate the skewness using the SKEW.P function, you would enter the following formula:

=SKEW.P(5, 10, 15, 20, 25)

This formula would return a skewness value of 0, indicating that the dataset is symmetric.

Example 2: Calculating the skewness of a dataset using cell references

Suppose you have the following dataset in cells A1:A5: 3, 7, 9, 15, 20. To calculate the skewness using the SKEW.P function and cell references, you would enter the following formula:

=SKEW.P(A1:A5)

This formula would return a skewness value of 0.359, indicating that the dataset is slightly skewed to the right.

## SKEW.P Tips & Tricks

Here are some tips and tricks to help you get the most out of the SKEW.P function in Excel:

• Remember that the SKEW.P function requires at least three data points. If you have fewer than three data points, consider using a different measure of distribution shape, such as the range or interquartile range.
• Use the SKEW.P function in conjunction with other statistical functions, such as AVERAGE, MEDIAN, and STDEV.P, to get a more complete picture of your dataset’s distribution.
• If you’re working with a large dataset, consider using the SKEW.P function on a representative sample of the data to save time and computational resources.

## Common Mistakes When Using SKEW.P

Here are some common mistakes to avoid when using the SKEW.P function in Excel:

• Not providing enough data points: As mentioned earlier, the SKEW.P function requires at least three data points. If you provide fewer than three data points, the function will return a #DIV/0! error.
• Using the wrong function: If you’re working with a sample of data rather than the entire population, use the SKEW function instead of SKEW.P. The SKEW function calculates the sample skewness, while the SKEW.P function calculates the population skewness.
• Not using cell references: When working with large datasets, it’s more efficient to use cell references rather than typing out each data point individually. This also makes it easier to update your formula if the data changes.

## Why Isn’t My SKEW.P Working?

If you’re having trouble with the SKEW.P function in Excel, consider the following troubleshooting tips:

• Check for #DIV/0! errors: If your formula returns a #DIV/0! error, make sure you’re providing at least three data points.
• Check for #VALUE! errors: If your formula returns a #VALUE! error, make sure all the arguments you’re providing are numbers or cell references containing numbers. The SKEW.P function cannot process text or other non-numeric data types.
• Ensure you’re using the correct function: If you’re working with a sample of data, use the SKEW function instead of SKEW.P.

## SKEW.P: Related Formulae

Here are some related formulae that you might find useful when working with the SKEW.P function in Excel:

• SKEW: Calculates the sample skewness of a dataset.
• AVERAGE: Calculates the average (arithmetic mean) of a dataset.
• MEDIAN: Calculates the median (middle value) of a dataset.
• STDEV.P: Calculates the standard deviation of a population dataset.
• KURT: Calculates the kurtosis of a dataset, which is a measure of the “tailedness” of the probability distribution.

By using these related formulae in conjunction with the SKEW.P function, you can gain a deeper understanding of your dataset’s distribution and characteristics.

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