Page 380 - Fundamentals of Probability and Statistics for Engineers

Linear Models and Linear Regression 363

Table 11.13 Data for Problem 11.13
x 1 13 11 21 30 35 27 27 40
x 2 9 10.5 11 10 9 12.3 9 9
x 3 1.5 7 21 27 30 6 27 33
x 4 4 21 64 67 17 28 82 101
y 795 841 820 1050 1010 970 980 1090

Some available data are presented in Table 11.13. Determine the least-square
estimate of the regression parameters.

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