## Related questions with answers

Carla has beon making a "wlld scape" In her backyard. The table shows the number of birds visiting her feeder at the same hour on the first day of each month since she began her project. Use a polynomlal model to make a reasonable estimate of the number of birds there mlght be in July.

Birds at Feeder from 7:00 to 8:00 A.M.:

$\begin{array}{| l | l |} \hline \text{Jan} & \text{Feb} & \text{Mar} & \text{Apr} & \text{May} & \text{Jun}\\ \hline \text{3} & \text{8} & \text{18} & \text{36} & \text{65} & \text{108}\\ \hline \end{array}$

Use your graphing calculator to find values for $R^2$. a. For LinReg, $R^2$=_________ . b. For QuadReg, $R^2$=_________ . c. For CubicReg, $R^2$=_________ .

Solution

VerifiedUse technology to find $R^2$ for each regression.

For LinReg, $R^2=0.8945$.

For QuadReg, $R^2=0.998$.

For CubicReg, $R^2=1$.

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