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.
What makes tea so good
Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b
The cartoonist’s hyperbole makes an excellent commentary on the social class disparity of our ...
An electron is accelerated from rest through a potential difference. After acceleration the ...
Distribution Patterns and Population Size Estimates (Bio 30)
Population receiving welfare, 1960-2020