We might say that we have noticed a correlation between foggy days and attacks of wheeziness. However, in statistical terms we use correlation to denote association between two quantitative variables.

Solving linear equations Linear equations. A linear equation is an equation that, when graphed, forms a straight line. The general form for a linear equation is \(y = a + bx\) where \(a\) is the \(y\) ...

Rearrange one equation to express one of the variables in terms of the other, if needed (e.g., \(y = \ldots\) or \(x=\ldots\)) Substitute the expression into the other equation. Solve the resulting ...

Step 1: Find the value of one variable, say y in terms of the other variable, i.e., x from either equation, whichever is convenient. Step 2: Substitute this value of y in the other equation, and ...

1 Department of Applied Mathematics and Mathematical Physics, Urgench State University, Urgench, Uzbekistan; 2 Khorezm Mamun Academy, Khiva, Uzbekistan; In this article, we construct exact traveling ...

Generally, the linearity and linear range are specified for a given resistive load. As the output impedance of a differential transformer is comparatively constant, the output loading will not ...

ABSTRACT: In this paper, we shall be concerned with the numerical solution of parabolic equations in one space variable and the time variable t. We expand Taylor series to derive a higher-order ...

Regression Equation . Now that we know how the relative relationship between the two variables is calculated, we can develop a regression equation to forecast or predict the variable we desire.