medium · SAT Math
A researcher models the relationship between hours studied (x) and exam score (y) using the regression equation haty = 2.5x + 10. One student who studied 6 hours actually scored 27 points on the exam.
What is the residual (actual score minus predicted score) for this student's data point, in points?
Sign up free to see the explanation and track your rank →
More SAT Math practice
- What is the greatest integer value of x that satisfies the inequality (2)/(3)(9 - 6x) ≥ 4x
- What is the value of c?
- If 5x - 12 = 3x + 8, what is the value of 2x?
- A print shop's total charge, in dollars, for an order of n p… — According to this function
- What is the price, in dollars, of one food ticket?
- Which of the following describes all values of x that satisfy both 2x + 1 > 5 and x - 3 <
- If 2x + y = 13 and 3x - y = 7, what is the value of x + y?
- What is the value of x+y?