Solve the problem.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below. 
Find the regression line y = mx + b.
A. y = 1.35x + 2.81
B. y = 2.02x - 47.3
C. y = - 0.669x + 92.3
D. y = 1.02x + 11.7
Answer: D
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Use the indicated bin size to construct a frequency table for the set of data. Include columns for relative frequency and cumulative frequency.On a math test, the scores of 24 students were as follows:
Use ten-point bins (60-69, 70-79, etc)
What will be an ideal response?
Answer as requested.Which of the following pairs of variables is likely to have a negative correlation?
A. Interest rates and the number of real estate transactions B. The unemployment rate and the number of homeless people C. The price of jet fuel and the price of airline tickets. D. Height and weight.
Find the absolute value.-
A. 24.1 B. -24.1 C. 48.2 D. 0
Provide an appropriate response.Find the discriminant of the equation: 3x2 - 2x + 5 = 0
A. The discriminant value is 64. B. The discriminant value is 56. C. The discriminant value is 0. D. The discriminant value is -56.