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Match each table of values with the equation of the best-fit regression line. All constants have been rounded to three decimal places
Question Description
I got these wrong need answers asap
Match each table of values with the equation of the best-fit regression line. All constants have been rounded to three decimal places.
__3__
t 1 2.5 3 4.7 6.3
S 5.7 9.5 11 15.3 20
__2__
t 0.6 1.4 3 5.1 7
S 11 10 10 8 7
__1__
t -1.4 2 4.3 4.7 5
S 32 15 4 2.5 1
1.
S(t) = 2.688t +2.891
2.
S(t) = -0.608t + 11.287
3.
S(t) = -4.843t + 25.040
The percentage of all households in the United States that had a dog as a pet is given in the table below.
Year
1983
1987
1991
1996
Percent
42.5
38.2
36.5
31.6
Assuming that a linear model is appropriate, find the regression equation that uses percent as the dependent variable, y, and the number of years since 1983 as the independent variable, x. Round all constants to three places. Express the answer in the slope-intercept form y=mx+b. Do not include spaces in your answer.
Answer: y=0.802x+42.213
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