T-Test
Posted on May 12 by Ryan Hudson
1. µ1=Sample mean of males walking into Panera
µ2=Sample mean of females walking into Panera
2. Ho=µ1=µ2
3. Ha=µ1<µ2
4. α=0.05
5. t=µ1-µ2/√(σ^2/n1+σ^2/n2)
6. This is a simple
random sample
Over 30 total data values so the central
limit theorem holds true
7. t=-6.19
8. p=0.000
9.We reject the null hypothisis at any given alpha value because p
is always lower than alpha.