An experiment was conducted to measure the effectiveness of various feed supplements on the growth rate of chickens. A five number summary of the weights of the chicks in grams six weeks after hatching is as follows. Source: Anonymous (1948) Biometrika, 35, 214.   Min = 114 Q1 = 206 Median = 248 Q3 = 315 Max = 417 About  percent of the chicks weigh more than 206. About  percent of the chicks weigh more than 248. About  percent of the chicks weigh more than 315. About  percent of the chicks weigh between 206 and 315.

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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.