Posted by **John** on Friday, September 10, 2010 at 11:16pm.

A group of 9 trout (considered the population) were isolated in a pond and fed a special food mixture called Grow Em Fast. At the end of the experimental period, the weights of the trout were (in grams): 124, 125, 123, 120, 124, 127, 125, 126 and 121. Another special mixture, Fatso 1B, was used in another pond. The mean of the population was computed to be 126.9 grams and the standard deviation was 1.20 grams. Which food results in a more uniform weight?

A) Grow Em Fast

B) Fatso 1B

C) No difference in uniformity of performance.

D) Insufficient information.

## Answer This Question

## Related Questions

- Math - A group of 9 trout (considered the population) were isolated in a pond ...
- Stats - The wildlife department has been feeding a special food to rainbow trout...
- homewrok - Two hundred trout were tagged and then released into a pond. Later 60...
- prob. & stat. - A pond is freshly stocked with 15 brown trout and 9 lake trout. ...
- physics - PLEASE HELP! - Sam is sitting in her fishing boat watching a trout ...
- Math - to determine the number of trout in a lake a conservationist catches 144 ...
- algebra - to determine the number of trout in a lake a conservationist catches ...
- algebra - to determine the number of trout in a lake, a conservationist cathes ...
- math - To determine the number of trout in a lake, conservationist catches 161 ...
- Statistics - Assume there are two lakes containing trout and the weights of the ...

More Related Questions