Mathematics, 25.09.2020 02:01, kaitp0726
A researcher found a study relating the value of a car, y, to the age of the car, x. When researchers looked at the association of x and y, they found that the coefficient of determination was r squared equals 0.158. Select two conclusions that the researcher can make from this data.
a) About 40% of the variation in the age of the car is explained by a linear relationship with the value of the car.
b) The correlation coefficient, r, is 0.025.
c) About 16% of the variation in value of the car is explained by a linear relationship with the age of the car.
d) About 84% of the variation in the value of the car is explained by a linear relationship with the age of the car.
e) The correlation coefficient, r, is 0.397. f.) The correlation coefficient, r, is 0.842.
Answers: 2
Mathematics, 22.06.2019 01:10, onlymyworld27
To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%
Answers: 3
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