It makes a difference whether or not we know the population variance because
a. we cannot deal with situations in which the population variance is not known.
b. we have to call the result t if the population variance is used.
c. we have to call the result z if the population variance is not used.
d. we have to call the result t if the sample variance is used.
Question 2
If the population from which we draw samples is rectangular, then the sampling distribution of the mean will be
a. rectangular.
b. normal.
c. bimodal.
d. more normal than the population.
Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
Exponential population growth.
The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i
Population and Settlement
Population and Settlement
Demographic transition model for changes in population growth rates and sizes, correlated with long-