ABC is an equilateral triangle. BC is extended to D so that ZCAD = 25°. ABCD is a quadrilateral with all sides the same length. ZB = 80°. \25 B 80* D What is the measure of ZADC? a 25° What is the measure of ZA? b 35° a 80° 45° b 90° d 55° 100° d 110° The figure below shows an isosceles triangle. ABCD is a quadrilateral. 47* B105 93 70 What is the value of a? What is the value of m? a 105° a 40° b 115° b 50° 120° 60° d 125° d 70°

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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.