My professor gave us this formula:
https://ibb.co/5WDvNHK
There are two groups, trying to figure out and justify the equation.
Mean for x1: 49.974
Mean for x2: 45.02
st. dev 1: .25
st. dev 2: .46
Is my math tracking? Feel like I'm missing something. Shout out to anyone willing to help on a...