Midterm and ?nal examination test scores

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Reference no: EM13963892

The following are midterm and ?nal examination test scores for 10 students from a calculus class, wherex denotes the midterm score and y denotes the ?nal score for each student.

x	68	87	75	91	82	77	86	82	75	79
y	74	79	80	93	88	79	97	95	89	92

(a) Calculate the least-squares regression line for these data.

(b) Plot the points and the least-squares regression line on the same graph.

Reference no: EM13963892

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