Solve the problem using your calculator.Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0. The following data were obtained regarding their GPAs on entering the program versus their current GPAs. Use linear regression to find a linear function that predicts a student's current GPA as a function of his or her entering GPA. Entering GPA Current GPA 3.5 3.6 3.8 3.7 3.6 3.9 3.6 3.6 3.5 3.9 3.9 3.8 4.0 3.7 3.9 3.9 3.5 3.8 3.7 4.0
A. y = 5.81 + 0.497x
B. y = 4.91 + 0.0212x
C. y = 3.67 + 0.0313x
D. y = 2.51 + 0.329x
Answer: C
Mathematics
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Perform the indicated operations.5 - (8 - 9 ? 72)
A. -428 B. 438 C. 3966 D. -444
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Round the decimal to the given place value.-91.6354, nearest thousandth
A. -91.634 B. -91.635 C. -91.64 D. -91.636
Mathematics
Solve the problem.Find the volume of this object.
A. 9x3 - 60x2 + 96x B. 9x2 - 60x + 97 C. -9x2 + 36x + 97 D. -9x3 + 36x2 + 96x
Mathematics
Use regression to solve the problem. Round numbers to the nearest hundredth.The ages and lengths of several animals of the same species are recorded in the following table:
Use linear regression to predict the length of a 35-month-old animal.
A. 38.50 in B. 35.60 in C. 37.50 in D. 36.60 in
Mathematics