exam Maths Puzzle Numerical Ability

Use the equation of the regression line to predict y when x = 20.

x 5 8 6 10 12 9
_______________________________

y 18 20 15 25 30 25

Read Solution (Total 0)

exam Other Question

A ramp on a freeway is circular in shape. If the radius is 54 meters and the central angle is 210 degrees, what is the length of the ramp? Give answer to 2 decimal places. Rewrite the middle term as the sum fo two terms and then factor completely

4z^3 - 18z^2 - 10z