Question

(1 point) The following data, taken from 8 towns in Alberta, are the percentage of residents who are university graduates and the median household incomes (in $ 1000's) for all households in each town. Graduates (%) Median Income ($ 1000) 61.7 47.6 50.9 34.1 31.5 57.1 56.4 41.3 42.8 34.5 42.1 28.1 33.2 23.1 19.2 20.4 Use two-decimal places in your answers. (a) State the slope term and the Y -intercept term of the least squares regression line which attempts to predict the median income of a town in Alberta based on its linear relationship with the percentage of residents who are university graduates.

Answer 1

Gкaduy to(:):) Median inone ($ 1о0о) х (х-я)* (Р-A) (x**) 47. 6 64. 875615 2 44. 5318 T5 50. 3 4, В.34937s 29, 97561S 57. 3. 5 36. 30565 —I. 550в&5 95.756875 I2o. 45065 н 95 42.8 5.o 5315 34. 5 Ч2.1 14.8793 75 33. 2 IS.83175 23. 149, 4 S06S 3/9. 893 75 19.2 687.750 вS 0.ч 781.03.5 1406-755 и? х- 45. Ч95 и SУ 32.575 781.0 35 slope }406.755 о. 5552033 rtoar4 -к (о.5552033 s) (45. ч25) 3, 575- 7. 35 489I 1