Solve the problem.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. The following regression equation is obtained: 
where x is number of hours studied and y is the test score. Predict the score on the test of a student who studies 12 hours. Round your answer to the nearest tenth.
A. 80.1
B. 85.3
C. 85.1
D. 75.1
Answer: A
You might also like to view...
Find the extreme values of the function subject to the given constraint.
A. Maximum: 3 at 
minimum: -3 at 
B. Maximum: 3 at 
and 
minimum: -3 at 
and 
C. Maximum: 3 at 
minimum: -3 at 
D. Maximum: 3 at 
minimum: -3 at 
Solve the problem.The string on a balloon is 10 mm long. What is this length measured in cm?
A. 1 cm B. 0.1 cm C. 1000 cm D. 100 cm
Solve the equation by multiplying by a power of 10.-35.7 = -5.1c
A. {30.6} B. {-30.6} C. {2.0} D. {7.0}
Solve the problem.The volume of a gas varies inversely as the pressure and directly as the temperature (in Kelvin). If a certain gas occupies a volume of 2.5 liters at a temperature of 
and a pressure of 
per square centimeter, find the volume when the temperature is 
and the pressure is 
per square centimeter. Round your answer to the nearest
tenth. A. 55.6 L B. 4.2 L C. 1.5 L D. 47.5 L