Q1. Two approaches to drawing a conclusion in a hypothesis test are _____.

a. one-tailed and two-tailed

b. Type I and Type II

c. null and alternative

d. p-value and critical value

Q2. As a general guideline, the research hypothesis should be stated as the _____.

a. null hypothesis

b. tentative assumption

c. alternative hypothesis

d. hypothesis the researcher wants to disprove

Q3. Which of the following hypotheses is not a valid null hypothesis?

a. H0: ? ? 0

b. H0: ?

c. H0: ? ? 0

d. H0: ? = 0

Q4. In tests about a population proportion,