Question

We measured the arm span and height of eight people. (Assume height is the independent variable in this analysis.)

Height Armspan
69 72
62 67
65 65
70 70
67 71
67 69
63 67
62 62

8. What is the lower bound of a 95% confidence interval for the slope of height. a. 208 b. 1.27 C. 72 d. -2.36 9. What is the

10. Whatt value is used to compute the upper bound of the confidence interval? a. 1.96 b. 1.65 c. 245 d.4.16 11. If we change

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Answer #1

6.9 x 70 67 у 72 67 65 70 62 n=8 Ex = 525 zy 34 521 35692 Ey 543 36933 Σκη Sxx = {x² sl- I (Ex)2 67. 875 Syy Ey² I (84)² 76.8(d) If sa = 0.01 the Bound is upper No + talan-2 MSE San 0.85 + 3-71 4.66 67.875 ZF2 ə 1.82

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