Actually, it's the other way around...If something is statistically significant, it may or may not be practically significant. Example: A new pill is proven to reduce the average time someone has the...
Every cell in the body requires energy. It derives the energy by oxidation of sugars, fatty acids and proteins. Humans and animals have lungs and a circulatory system to deliver oxygen to every cell,...
"Better" is subjective. A 0.005 level of significance refers to a statistical test in which there is only a 0.5 percent chance that a result as extreme as that observed (or more extreme) occurs by...
0.05 level of significance indicates that there is a 5% chance (0.05) that, under the null hypothesis, the observation could have occurred by chance. The 0.01 level indicates that there is a much...