Can Fish Get Als in the USA

MINNEAPOLIS – Eating fish and seafood with higher levels of mercury may be linked to a higher risk of amyotrophic lateral sclerosis (ALS), according to a preliminary study released today that will be presented at the American Academy of Neurology’s 69th Annual Meeting in Boston, April 22 to 28, 2017. Is mercury linked to ALS?…

When Should I Use Fisher’s Exact Test in the USA

It’s appropriate to use Fisher’s exact test particularly when dealing with small counts. The test is basically an approximation of the results from the exact test, so erroneous results could potentially be obtained from the few observations. This could lead to incorrect conclusions in Six Sigma projects. Should I use chi square or Fisher exact?…