Question

If Y = aX ± b, where a and b are any two constants and a ∦ 0, then the quartile deviation of Y values is equal to:

Answer 1

Answer:

∣a∣ Q.D(X)

Explanation:

brainleis plz

Answer 2

Answer:

(1) When x = 1, y = 5.

y = ax + b.5=a+b

(2) When x = 5, y = 13

y = ax + b.3=5a+b

Combined

subtract the equations..

5a+b-(a+b)=13-5.4a=8.a=2, so b=3.

y=10a+b=10*2+3=23