Use the given data to find the best predicted value of the response variable. The regression equation relating dexterity scores (x) and productivity scores (y) for the employees of a company is Ten pairs of data were used to obtain the equation. The same data yield r = 0.986 and

What is the best predicted productivity score for a person whose dexterity score is 32? Use α = 0.05.

A. 177.91
B. 58.20
C. 66.62
D. 56.30

Standard deviation of 19,29,21,22,23

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)