If you use Excel to create charts, it’s always good to know what customization options you have for your data entries. Excel allows you to display all sorts of data and possible variations.

Last month in Points of Significance, we showed how samples are used to estimate population statistics. We emphasized that, because of chance, our estimates had an uncertainty. This month we focus ...

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Most people have decades of experience looking at graphs. We see them in television reports, books, magazines, presentations at work, and on the stock market apps on our phones. On the surface ...