Question
Find the regression equation, letting the diameter be the predictor (x) variable. Find the best predicted circumference of a marble with a diameter of 1.6
Find the regression equation, letting the diameter be the predictor (x) variable. Find the best predicted circumference of a
marble
with a diameter of
1.6
cm. How does the result compare to the actual circumference of
5.0
cm? Use a significance level of
0.05.
Baseball | Basketball | Golf | Soccer | Tennis | Ping-Pong | Volleyball | ||
Diameter | 7.3 | 24.1 | 4.3 | 21.7 | 7.1 | 4.1 | 21.1 | |
Circumference | 22.9 | 75.7 | 13.5 | 68.2 | 22.3 | 12.9 | 66.3 |
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Click the icon to view the critical values of the Pearson correlation coefficient r.
The regression equation is
y=nothing+nothingx.
(Round to five decimal places as needed.)
The best predicted circumference for a diameter of
1.6
cm is
nothing
cm.
(Round to one decimal place as needed.)
How does the result compare to the actual circumference of
5.0
cm?
A.
Even though
1.6
cm is within the scope of the sample diameters, the predicted value yields a very different circumference.
B.
Since
1.6
cm is within the scope of the sample diameters, the predicted value yields the actual circumference.
C.
Even though
1.6
cm is beyond the scope of the sample diameters, the predicted value yields the actual circumference.
D.
Since
1.6
cm is beyond the scope of the sample diameters, the predicted value yields a very different circumference.
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