Sample Examination One - La Jolla High School
Sample Examination One - La Jolla High School
Sample Examination One - La Jolla High School
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Section II<br />
Fart A<br />
Time-65 minutes<br />
Questions 1-5<br />
Percent of Section II erade-75<br />
Directions: Show all your work. indicate clearly the methods vou use, because you will<br />
be graded on the correctness of your method as well as on the accuracy of your results<br />
and explanations.<br />
1. Johannes Kepler spent years trying to discover a relationship between the time (in days)<br />
for a planet to revolve around the sun and the distance (in miilions of kilometers) of the<br />
planet from the sun. A computer printout of a regression analysis is sho*'n belorv for<br />
all nine planets in our universe.<br />
Predictor- Coef StDev T p<br />
Constant -5826 3303 -L.16 0.L2L<br />
Di-stance L5.021 l.2LB L2 .34 0.000<br />
S ='741L R-Sq = 95.58 R-Sq(adj) = 95.0%<br />
(a) What is the least squares line which could be used to predict,the time it takes for<br />
a planet to revolve around the sun given the distance a planet is from the sun?<br />
(b) Interpret the slope in the context of the problem.<br />
Unauthorized copying or reusing any<br />
part of this page is illegal.<br />
1)
Change language