Suppose simple random samples of size 75 were selected from a population with a mean of 56 and a variance of 12. What are the mean and standard deviation of the sampling distribution of the sample mean?
a.
and
b.
and
c.
and
d.
and
Question 2 When is the following
z-score formula used,
?
a.It gives the
z-score when dealing with a sample mean.
b.It gives the
z-score when dealing with individual values from a normal distribution.
c.It gives the
z-score when the sample mean is equal to the population mean.
d.It gives the
z-score when the standard error of the mean is equal to the population variance.
Detritivores are often classified according to their body size as microflora, microfauna, mesofauna,
population
Selected Crystalloid IV Solutions
Population distribution (dispersion)
The developing and emerging nations have high rates of population growth
Opener A field of pumpkins, where size is under the influence of additive alleles