Nicotine content was measured in a random sample of 22 cigarettes. Is there any outlier in this data set? 1.09, 1.92, 2.31, 1.79, 2.28, 1.74, 1.47, 1.97, 0.85, 0.72, 2.99, 0.05, 1.83, 1.23, 1.51, 1.64, 1.72, 2.08, 1.69, 1.80, 1.67, 1.64

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.