13. Two researchers have identical models, data, coefficients and standard error estimates.
They test the same hypothesis using a two-sided alternative, but researcher 1 uses a 5% size
of test while researcher 2 uses a 10% test. Which one of the following statements is
Researcher 2 will use a larger critical value from the
Researcher 2 will have a higher probability of type I error
(g) Researcher 1 will be more likely to reject the null hypothesis
(h) Both researchers will always reach the same conclusion.
14. Consider an increase in the size of the test used to examine a hypothesis from 5% to
10%. Which one of the following would be an implication?
15. What is the relationship, if any, between the normal and
Consider a standard normally distributed variable, a
-distributed variable with
degrees of freedom, and an
-distributed variable with (1,
) degrees of freedom.