Construct a frequency distribution for the given data set using 6 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? Amount (in dollars) spent on books for a semester 55 182 524 204 189 82 110 260 4200 64 444 212 170 226 101 61 349 145 226 256 160 30 453 197 491 314 446 391 256

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Q: Board-certified Not board-certified Administrator 10 6 Teacher 5 18

A: b

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.