Ok I need help doing a 2 sample z statistic. I've been looking through my book and don't understand. If you would please guide me through this it would be greatly appreciated.
Ho: ?(females) = ?(males)
Ha: ?(females) > ?(males)
Sample 1 gpas(females):
Mean=3
Sx=.5644
n=15
Minx=1.7
Q1=2.8
Med=3.1
Q3=3.4
Maxx=3.6
Sample 2 gpas(Males):
Mean=3.109
Sx=.5325
n=15
Minx=2
Q1=2.8
Med=3.2
Q3=3.5
Maxx=3.7
Ho: ?(females) = ?(males)
Ha: ?(females) > ?(males)
Sample 1 gpas(females):
Mean=3
Sx=.5644
n=15
Minx=1.7
Q1=2.8
Med=3.1
Q3=3.4
Maxx=3.6
Sample 2 gpas(Males):
Mean=3.109
Sx=.5325
n=15
Minx=2
Q1=2.8
Med=3.2
Q3=3.5
Maxx=3.7