Let I be the length of a diagonal of a rectangle whose sides have lengths a and y, and assume that a and y vary with time. If z increases at a constant rate of ft/s and y decreases at a constant rate of ft/s, how fast is the size of the diagonal changing when x =1 ft. and y = 6 ft?

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.