Definition: Usually represented by the letter r, this gives the linearity of the relationship between two variables, often in a scatterplot. The value of r ranges from 1 to 1, with -1 meaning perfect linearity and
negative slope, 1 meaning perfect linearity and positive slope, and 0 meaning no linearity. It is called the
coefficient

step-by-step explanation:

wrgasadvauoyfaiua-00uhf

a

step-by-step explanation:

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6