what is "normal distribution"?

1 ⤊

what is "normal distribution"?

statistics

2006-10-02 10:44:44 · 2 answers · asked by sakura 1 in Science & Mathematics ➔ Mathematics

2 answers

It is a very common shape for the distribution of many continuous variables, such as height or weight. It looks like a bell, is symetrical about the mean and 95% of the distribution lies within 2 standard deviations from the mean.

2006-10-02 10:49:24 · answer #1 · answered by statstastic 2 · 1⤊ 0⤋

The correponding distribution of linear addition of many random variables.

2006-10-02 17:54:30 · answer #2 · answered by JAMES 4 · 0⤊ 0⤋