The heights of a sample of basketball players on a middle school team are: 71, 60, 63, 69, 64, 70, 65, 66. Find the sample variance.

b

step-by-step explanation:

i dont know

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this

b.   e = 7.5h

hope this , lovely!