Which of the following is a true statement regarding the
comparison of the standard normal distribution to the
t-distribution?
I. The normal distribution is symmetrical whereas the
t-distribution is slightly skewed
II. The greater the degrees of freedom, the more the t-distribution
resembles the standard normal distribution.
III. For small n, the t-distribution has wider tails than the
standard normal curve.
a.
I only
b.
II only
c.
III only
d.
II and III
e.
All of the above