About 38,100,000 results
Open links in new tab
  1. Sample Variance: Simple Definition, How to Find it in Easy Steps

    To calculate the sample variance, find the average of the squared deviations from the mean. The sample standard deviation is the square root of the sample variance.

  2. Sample Variance - Definition, Meaning, Formula, Examples

    The variance that is computed using the sample data is known as the sample variance. Sample variance can be defined as the average of the squared differences from the mean.

  3. Sample Variance - GeeksforGeeks

    Jul 23, 2025 · In statistics, sample variance tells us how spread out the data points are from the average (mean) within a sample. Sample variance computes the mean of the squared …

  4. Population and Sample Variance - Symbols, Formulas, & Examples

    Jan 2, 2025 · We use population variance when we take all of the data in the dataset under consideration, whereas we use sample variance when we consider only a subset of the total …

  5. Variance - Wikipedia

    Normally, however, only a subset is available, and the variance calculated from this is called the sample variance. The variance calculated from a sample is considered an estimate of the full …

  6. The Sample Variance – Explanation & Examples - The Story of …

    The definition of the sample variance is: “The sample variance is the average of the squared differences from the mean found in a sample.” In this topic, we will discuss the sample …

  7. How to Calculate Variance | Calculator, Analysis & Examples

    Jan 18, 2023 · Different formulas are used for calculating variance depending on whether you have data from a whole population or a sample. When you have collected data from every …

  8. Sample variance - Math.net

    While a population represents an entire group of objects or observations, a sample is any smaller collection of said objects or observations taken from a population.

  9. What is: Sample Variance Explained in Detail

    Sample variance is a statistical measure that quantifies the degree of variation or dispersion of a set of sample data points. It is an essential concept in statistics, particularly in the fields of data …

  10. Sample Variance - Definition, Examples & Practice Problems

    Sample variance is a measure of the dispersion of the values in a dataset around their sample mean. It's calculated by looking at how far each data point is from the mean (or average), …