Author Question: The critical value of t for a two-tailed test with 6 degrees of freedom using = .05 is a. 2.447. ... (Read 86 times)

gonzo233 · **on:** Jun 24, 2018

The critical value of t for a two-tailed test with 6 degrees of freedom using = .05 is
a. 2.447.
b. 1.943.
c. 2.365.
d. 1.985.

Question 2

The reason why weights are used in an aggregate index is to
a. ensure that all items have an influence on the index which is relative to their respective importance.
b. ensure that expensive items are considered more heavily.
c. ensure that current prices will influence the index more than base prices.
d. None of these alternatives is correct.