If we take all possible samples from a normally distributed population, which of the following sample sizes will yield the smallest variation in the means of the samples?
a. 1
b. 85
c. 120
d. 5
e. 15
Question 2
The sampling distribution of the mean _________.
a. is always normally distributed
b. is normally distributed if the population raw scores are normally distributed
c. is considered normally distributed if N > 300
d. is normally distributed if the population raw scores are normally distributed and is considered normally distributed if N > 300
Sceloporus undulates, the eastern fence lizard, is one of the most widely distributed lizard species
Natural selection of a population for dark coloration.
World Population Growth, Past 10,000 years
The Median Age of the U.S. Population
World Population Growth
World Population, 1850–2150