Standard error (SE)
Or
Therefore, SE of the mean = (8)/(2) =4
Ok so to start, your unknown numbers will ne represented as x. The equation looks like this: x+x+1+x+2=228. You have your unknown number, the number plus one, and the numner plus two. To find the answer you divide 228 by 3. Those numbers are all equal though,so you play around with them until you get 75+75+1+75+2=228
Answer:
i dunno try 400?
Step-by-step explanation:i hope this works=p
