MathCastle
StatisticsHardTwo Variables

Two Variables · Hard problem

For a set of data, xˉ=37\bar x = 37, yˉ=30\bar y = 30, sx=2s_x = 2, sy=12s_y = 12 and the correlation is r=0.6r = 0.6. Using the least-squares line, predict yy when x=33x = 33. Express your answer as a decimal.