Q:
# What Is a Math Trend?

**A trend in mathematics is a pattern in a set of data points.** Knowing the trend allows outcomes to be predicted by a mathematical model. Estimating the trend of data requires a technique known as regression or curve fitting.

As a conceptual example, if two sets of numbers are plotted and one set of values called x increases when the other set of values called y increases, there is a positive trend. More specifically, a model with mathematical equations needs to be defined by a curve fit. The least squares method finds the curve with the minimum deviation from all data points. Consider a set of data points (x1, y1), (x2, y2), ..., (xn, yn) where x is the independent variable, and y is the dependent variable. The fitting curve f(x) has deviation errors d1 = y1 - f(x1), d2 = y2 - f(x2), ..., dn = yn - f(xn). The best fitting curve follows the property where d1^2 + d2^2 + ... + dn^2 is a minimum.

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## What Does "modal" Mean in Mathematics?

A: Modal value refers to the mode in mathematics, which is the most common number in a set of data. For example, in the data set 1, 2, 2, 3, the modal value i... Full Answer >Filed Under: -
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## What Does "mean" Stand for in Math?

A: The "mean" in math refers to the average value of a set of numbers. It is calculated by adding all the numbers in a set and then dividing that sum by the t... Full Answer >Filed Under: -
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## What Does "average" Mean in Mathematics?

A: In mathematics, the “average” typically refers to the “mean value” of a set of numbers that is found by adding all the numbers in the set and then dividing... Full Answer >Filed Under: -
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## What Is Mode in Math?

A: In mathematics, the mode is the number that appears most often in a data set. To find the mode in a data set, rearrange the numbers in order, and then find... Full Answer >Filed Under: