Question: Consider the following scatter plot and least squares?equations, estimate the standard error of the least squares equation ?s(S XY?). Consider the following scatter plot and

Consider the following scatter plot and least squares?equations, estimate the standard error of the least squares equation ?s(SXY?).

of the least squares equation ?s(SXY?). Consider the following scatter plot and

Consider the following scatter plot and least squares equations, estimate the standard error of the least squares equation s(Sxy). i) Regression by eye Sample size: 60 Simulate Add point | Reset | Analyze |Info C 20 C C C C C C 15 C C OC C 10 C C C C 5 C O C C C O C C uit 10 15 20 25 30 X Standard Error s ~ (Keep one decimal) ii) Regression by eye Sample size: 80 Simulate | Add point | Reset Analyze Info Enter your answer in the edit fields and then click Check Answer. ? All parts showing Clear All Check AnswerRegression by eye Sample size: 80 Simulate Add point Reset Analyze | Info 1600 1400 O C O O OO O 1200 O O O O O 1000 OO O OO O 800 O O O 150 200 250 300 350 X Standard Error s ~ (enter an integer) ter your answer in the edit fields and then click Check Answer.

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