3x + y = 12 2x +3y = 22 2X %3D Solve the system of equations 14) 5x + y = -31 5x+Y 1 6x-y%3D 15x3 dfedarto X=3 (-6/=12 15) 6=12 fox- 3y 2 19x - 3y = 4 9x-3N=2 %3D -98 -9x %3D 12 9X+9=2F-3Y ÝY=-2t-3) -3Y पदाईट 16) %3D fox - 9y = 5 12x- 18y = 15 X=012 %3D 75atisFy Cax-94=5 x-16y=15 The hBt -16y=17 55ixbye- 17) X-2.3 YE-O19 S2x+5y = 5 5x +3y 22 %3D %3D 2x15=5 -5 BY=17 Solve the problem. 3. 18) Two numbers total -4, and their difference is 16. Find the two numbers x-Y%=D1G 1W=12 2\ X-Y=K6/ y=K-G=10 19) On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces o She wro hrthe

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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.