Archive for the “Babala: Englisan” category
Hermit Crab
by salbehe on March 12, 2010
I’m living in a building with very strict rule on tenants not to have pet. I couldn’t get dogs or cats, but I still wanted something with more life than fish. I considered having frog and tortoise, but it’s too (…)
Margin of Error
by salbehe on November 18, 2009
Statistically speaking, margin of error is a statistic expressing the amount of random sampling error in a survey’s results. If the statistic is a percentage, this maximum margin of error can be calculated as the radius of the confidence interval. (…)
