12. The least-squares regression equation ý = 10 + 2x describes the relationship between x = age (in
weeks) and y = weight (in pounds) for a sample of 50 German shepherd puppies for ages 5
weeks. The weight of a particular German Shepherd puppy that is 10 weeks old is underestimated by 10
pounds. How much does this particular puppy weigh?
(A) 10 pounds
(B)20 pounds
(C) 30 pounds
(D) 40 pounds
(E) 50 pounds
Answers: 2
SAT, 24.06.2019 07:10
Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x
Answers: 1
SAT, 24.06.2019 19:30
Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b
Answers: 1
SAT, 25.06.2019 22:00
These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition
Answers: 1
12. The least-squares regression equation ý = 10 + 2x describes the relationship between x = age (in...
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