Question

At alpha =0.05 can you support the claim that the proportion of men living in parents homes was greater in 1995 than in 2004? Assume the survey included 12,100 men and 12,300 women in 1995, and 14,400 men and 14,800 women in 2004. The % of men in 1995 is 54.9% and the % of women is 47.8%. In 2004 the % of men is 49.5% and the % of women is 48.5%...

Answer 1

I dont want the answer right now im just trying to figure out how i can find my x sub 1 and x sub 2

Answer 2

is it a normal distribution?

Answer 3

yes

Answer 4

At alpha =0.05

"the proportion of men living in parents homes was greater in 1995 than in 2004"

1995: 12,100 men ; 54.9%
12,300 women ; 47.8%,

2004: 14,400 men ; 49.5%
14,800 women ; 48.5%...

this might clean up the clutter better

Answer 5

ok i got that far but how do i find my x sub 1 and 2 i guess thats my main problem

Answer 6

multiply the % by the N of both men and women?

Answer 7

dunno, what does this mean: " The % of men in 1995 is 54.9% " is that how many lived at home with mommy and daddy?

Answer 8

yes

Answer 9

i cant recall enough bits and pieces at the moment to determine a suitable answer .....

Answer 10

ok thank you

Answer 11

can we assume that the 54.9% relates to the area under the curve to the left of the "zscore" for that year?

Answer 12

Im not sure all I know is Im making a right tailed test because my alternative hypothesis is a greater than..

Answer 13

i need x1, x2, n1, n2

Answer 14

im assuming my n's are the number of men in each year that lived at home

Answer 15

sounds good, but if this can wait; and noone else comes up with a better answer; ill read up on the parts im forgetiing and see what I can deduce ;)

Answer 16

your amazing thank you

Answer 17

from what i can gather so far, this is a hypothesis testing on a two sample proportion. Are you using a calculator, like a ti83?

Answer 18

yes

Answer 19

once i find what x1,x2,n1,n2 is i can input the info

Answer 20

then i believe:

x1 = 12100(.549) and n1=12100

x2 = 14400(.495) and n2=14400

X = number observed, and N = total sample.

Answer 21

the score for a=.05 is: 1.645

Answer 22

i put that in the calculator and it gives me a domain error

Answer 23

hmmm, its prolly the decimal; try rounding the Xs up to the next whole integer

Answer 24

omg your a genius

Answer 25

12100(.549) = 3294.225 -> 3295 would be a proper proportion

Answer 26

something so small and all i had to do was round lol

Answer 27

yep im in love thank you so much for helping me with that

Answer 28

youre welcome, hope it helps, and that its right lol

Answer 29

it is right thank u!!!