I don't have an answer to check against but could someone let me know if I did this right?
Formula for xbar:
Finding m:
Finding My:
x bar
You mostly have it, but there are a few details.
First m is negative (unless you reversed the integration limits.)
Second, you can do better than . What is this value?
Third, you know that |4| = 4 so you can drop the absolute value. And how does compare to the value of ?
-Dan