The population variance is defined as the sum of the _____ .
a. squared differences of each score from the sample mean of a distribution divided
by the sample size
b. differences of each score from the mean of a population divided by the
population size
c. squared differences of each score from the mean of a population divided by the
population size
d. differences of each score from the mean of a population divided by the
population size minus one
Question 2
For the class interval of 20-25, the lower real limit is _____ .
a. 19.5
b. 20.0
c. 19.0
d. 20.5
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Differences in the mitochondrial code and coding for the “21st and 22nd” amino acids
Population size
Population Forecasting
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
comparisons/differences