Let x be per capita income in thousands of dollars. Let y be the number

of medical doctors per 10,000 residents. Six small cities in Oregon gave the following information about x and y.x8.2 9.4 9.7 8.0 8.3 8.7 y 9.9 19.0 21.0 10.2 11.4 13.1

(a) through (e), given Σx = 52.3, Σy = 84.6, Σx2 = 458.27, Σy2 = 1305.62, Σxy = 753.67, and r ≈ 0.990.

Σx=
Σy=
Σx2=
Σy2=
Σxy=
r=

x=
y=
y^=+x

r2=explained    %unexplained    %

Suppose a small city in Oregon has a per capita income of 8.9 thousand dollars. What is the predicted number of M.D.s per 10,000 residents? (Round your answer to two decimal places.)
M.D.s per 10,000 residents

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