Step-by-step explanation:
Regression Equation has the firm of,
Y = aX + b
please refer to my attachment for a and b.
So prepare table with columns of Y, X sq(x),......
then work out a and b according.
Finally sub a and b into the equation Y = aX + b
Answer: -3/5
Step-by-step explanation:
Answer:
240 more girls
Step-by-step explanation:
210 + 160 = 370
100 + 30 = 130
370 - 130 = 240
First find length. p=2(l+w)
32=2l+154
32-154=2l
-122=2l divide both sides by 2
l=-61
area=(l x w)
A=-61 x 77=-4697 square cm