Question

The next FIVE questions require the following data....... Sex (O=F) First Income Current Income Question 21 (3 points) (1=M) ($,000) ($,000) Person (s) (x) (y) OOO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 0 0 0 0 1 1 1 15 18 16 24 24 34 20 32 12 29 34 17 24 32 28 40 28 78 28 50 18 52 60 21 1 1 1 26 22 22 45 35 33 Calculate (2 + y)2 Question 22 (3 points) Calculate 2x2 - 1000 Question 23 (3 points) Calcualte s A Question 24 (3 points) Calculate Σy? ? Question 25 (3 points) Calculate = (y2 – 1000)

Answer 1

1 2 3 4 5 6 t 8 ୨ First Current |Sex(0=F) y^2- Income Income Person (1=M) | ($,000) | ($,000) |(x+y)=3+4|(x+y)^2=5*5|x^2=3*3|y^2=4*4| 1000=8- (s) 1000 (x) (y) 1 0 15 24 39 1521 225 576 -424 2 0 18 32 50 2500 324 1024 24 3 0 16 28 44 1936 256 784 -216 4 0 24 40 64 4096| 576 1600 600 5 0 24 28 52 2704 576 784 -216 6 0 34 8 112 12544 1156| 6084 5084 T 0 20 28 48। 2304| 400 784 -216 8 0 32 50 82 6724 1024 2500 1500 ୨ 1 12 18 30 ୨୦୦ 144 324 -676 10 1 29 52 8 6561 84 2704 1704 11 1 34 60 ୨4 8836 1156 3600 2600 12 1 17 2 38 1444 289 441 -559| 13 1 26 45/ 7 504 676 2025 1025 14 1 22 35 57 3249 484 1225 225 15 1 22 33 55 3025 484 1089 89| 7 63385 8611 25544 10544 5

Σ(x+y)² = 63385

Σx²-1000=8611-1000=7611

Σs=7

Σy²=25544

Σ(y²-1000)=10544