Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.

Microsoft added a bunch of useful capabilities to Excel this month, including one that was highly requested by customers.

Key Takeaways The standard deviation measures how far the average value lies from the mean, whereas the coefficient of variation measures the ratio of the standard deviation to the mean.

In National 5 Lifeskills Maths standard deviation is a measure of consistency or spread of data. It is used as a comparison between different data sets.

We spoke to visual design vendor Canva's Duncan Clark about its new spreadsheet-based foray into data visualization and data-driven automation.

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Demand, Water, Demand, Ward 121, Makeni City, Sierra Leone Share and Cite: Iortyom, E. and Kargbo, M. (2025) Assessing the Magnitude of Household Water Demand in Makeni City Ward 121: Implications for ...