Compute r, the linear coefficient of correlation, for the given data.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
A. 0.863
B. 0.916
C. 0.729
D. 0.610
Answer: A
Mathematics
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Divide. Simplify, if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the measure of the angle.
?WZY
A. 130° B. 110° C. 120° D. 115°
Mathematics
Solve the problem.The difference of the reciprocals of two consecutive integers is 1/56. Find the integers.
A. 6 and 7 or -6 and -7 B. 7 and 8 or -7 and -8 C. 28 and 29 or -28 and -29 D. 8 and 9 or -8 and -9
Mathematics
Without graphing, tell whether the graphs of the pair of equations are parallel, perpendicular, or neither. 3x - 8y = -332x + 12y = -3
A. Parallel B. Perpendicular C. Neither
Mathematics