The symbol used to indicate a population parameter is usually
A) a Greek letter.
B) an ordinary letter with a tilde mark () or hat mark ().
C) a Hebrew letter.
D) an ordinary letter with a bar over it.
Question 2
In a two-way analysis of variance, what is the population variance estimate for the denominator of the F ratios for the main and interaction effects?
A) All effects are tested using the same estimate based on averaging the estimates of the variance of scores within each cell.
B) Each effect is tested using a variance estimate based on the variation within the appropriate groupings.
C) Each effect is tested using a variance estimate based on the variation among the appropriate marginal means.
D) The row and column effects are tested using an estimate based on the variation within the appropriate groupings, but the interaction effect is tested based on averaging the estimates based on variance of scores within each cell.
Genetic drift and population size.
Three ways that factors affect mortality in response to changes in population density.
A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
Business Letter Format and Example.
Population size
World Population, 1850–2150