Thursday

April 24, 2014

April 24, 2014

Posted by **Alison** on Saturday, December 22, 2012 at 9:49pm.

- Math -
**PsyDAG**, Sunday, December 23, 2012 at 2:20pmZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = √(SEmean1^2 + SEmean2^2)

SEm = SD/√n

If only one SD is provided, you can use just that to determine SEdiff.

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

**Related Questions**

math - To determine the number of trout in a lake, conservationist catches 161 ...

physics - PLEASE HELP! - Sam is sitting in her fishing boat watching a trout ...

algebra - to determine the number of trout in a lake, a conservationist cathes ...

math - If a conservationist catches 72 trout, tags them and throws them back in ...

Intermediate algebra - The number of trout in America, since 1970, is given by ...

Statistics - An automobile in surer has found that repair claims have a mean of...

physics - Jimmy has caught two fish in Yellow Creek. He has tied the line ...

Physics - Jimmy has caught two fish in Yellow Creek. He has tied the line ...

math - PROCESSING CLAIMS. Joe takes x hours on the average to process a claim. ...

Stat 1 - Seventy million pounds of trout are grown in the U.S. every year. Farm-...