1) Which of the following is an example of a population parameter?

Select one:

a. s

b. x-bar

c. n

d.

2)

The two parameters of a normal distribution are _______ and ______.

Select one:

a. x-bar and s

b. and

c. Median and IQR

d. Mode and Range

3)

n hypothesis testing, is

Select one:

a. the probability of committing a type I error

b. the probability of committing a type II error