2. The Standard Deviation is a measure of
how spread out numbers are.
Its symbol is (the greek letter sigma)
4. The shape of the normal distribution is
symmetric and unimodal. It is called
the bell-shaped or Gaussian distribution
after its inventor, Gauss.
5. There is a simple interpretation of .
68.27 % of the population fall
between 亮賊1
95.45 % of the population fall
between 亮賊2
99.73 % of the population fall
between 亮賊3
8. The year-over-year growth rate of
an investment over a specified period; c
alculated by taking the (N)th root
of the total percentage growth rate,
where (N) is the number of years in the
period being considered.