https://www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/variance-standard-deviation-population/v/range-variance-and-standard-deviation-as-measures-of-dispersion 2022-11-16T04:22:43.7414897Z Measures of spread: range, variance & standard deviation Range, variance, and standard deviation all measure the spread or variability of a data set in different ways. The range is easy to calculate—it's the difference between the largest and smallest data points in a set. Standard deviation is the square root of the variance. Standard deviation is a measure of how spread out the data is from its mean. Sal Khan video https://cdn.kastatic.org/googleusercontent/F7u5R7KncKAiNkwZK0i3DTxYrCpwFG1YuVhgwHtYHWUsRNB9rlgxRnkqR4onfr1ex44Yc9FmnodarnP_ZcWwhCg Measures of spread: range, variance & standard deviation Range, variance, and standard deviation all measure the spread or variability of a data set in different ways. The range is easy to calculate—it's the difference between the largest and smallest data points in a set. Standard deviation is the square root of the variance. Standard deviation is a measure of how spread out the data is from its mean. https://cdn.kastatic.org/ka-youtube-converted/E4HAYd0QnRc.mp4/E4HAYd0QnRc.mp4 754 Medidas de dispersión https://www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/interquartile-range-iqr/a/range-and-interquartile-range-worksheet 2023-02-22T03:54:13.328982673Z Comparing range and interquartile range (IQR) article https://www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/variance-standard-deviation-population/a/introduction-to-standard-deviation 2023-02-22T03:54:13.328982673Z The idea of spread and standard deviation See how distributions that are more spread out have a greater standard deviation. article https://www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/variance-standard-deviation-population/a/calculating-standard-deviation-step-by-step 2021-07-03T00:16:52Z Calculating standard deviation step by step article https://www.khanacademy.org/math/statistics-probability/summarizing-quantitative-data/variance-standard-deviation-population/e/standard_deviation_of_a_population 2025-03-01T15:52:37.13987578Z Standard deviation of a population Calculate the standard deviation of a population. exercise