Dr Nick

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Category > Math Posted 26 May 2017 My Price 10.00

table of data of over/under weights

Question description

 

I have a large table of data of over/under weights that I need to sort through. The issue is that it is all averaged together even though they need to be weighted differently and I'm not 100% sure how to do this anymore. I have done it in the past, but I don't recall how to do it now. I don't need help with the whole table, I just need help getting started and I think I can figure it out. 

Here is a little sample of what I'm dealing with, I'm going to change the name of the variables I deal with to make it a little simpler.
I have 3 types of fish that I caught, catfish, red fish, and bass. I have 233 catfish, 189 red fish, and 171 bass. The weight of the fish that I caught were under the standard of what I was expecting. They averaged out to be -0.12, -0.20, and -0.42 respectively under weight. My table currently averages all of those weights together instead of accounting for how many of each fish there are to affect the weights accordingly. I hope this makes sense... I'm not the best at word problems. Essentially what I need is a formula or for someone to explain what I need to do to get an average of the weights, but I need them to be weighted depending on how many fish there are for each weight. 
So if somebody could help me out with this, I would very much appreciate it. Let me know if you need some sort of clarification.
Thanks!

 

I didn't get the right answer from the internet.
References:
https://www.freemathhelp.com/forum/threads/106445-...
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Dr Nick
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Status NEW Posted 26 May 2017 05:05 PM My Price 10.00

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