Prove that: . (5) M M = = M = M M =𝑠𝑖𝑛 =𝑠𝑖𝑛𝐴 QUESTION 8: [8] Three numbers 2, and have a mean of 5 and a standard deviation of . x y Determine and x y. M A 𝑦=13−𝑥 … M 𝑠.𝑑= A
Prove that: . (5) M = M = M = M =𝑠𝑖𝑛 M =𝑠𝑖𝑛𝐴 QUESTION 8: [8] Three numbers 2, x and y have a mean of 5 and a standard deviation of . Determine x and y. M 𝑦=13−𝑥 … A 𝑠.𝑑= M A