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.
Interaction web of factors that might influence locust population size.
The world attempted to deal with Somalia as if it were a real country but painfully learned that Som
Who Makes The Decisions at Home?
Relationship Between Income per Capita and Population Growth
Difference between the house and the senate
Marking for Population Study