The following data represent survival time in days after a


The following data represent survival time in days after a heart transplant and patient age in years at the time of transplant for 10 randomly selected patients.

Age at transplant

28

41

46

53

39

36

47

29

48

44

Survival time, in days

7

278

44

48

406

382

1995

176

323

1846

(a) Find the least-squares line appropriate for these data.

(b) Plot the points and graph the line.

(c) Calculate the 95% con?dence intervals for β0 and β1, respectively.

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Dissertation: The following data represent survival time in days after a
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