The term "critical value" refers most specifically to ______.

A) how researchers define a 'low' probability
B) the value of a statistic needed to reject the null hypothesis
C) the minimum sample size needed to test a research hypothesis
D) the value of a population parameter such as µ

The scale of measurement used for variable data that is simply a label for the purpose of identifying the attribute of an element is the _____ scale.

A) ratio
B) nominal
C) ordinal
D) interval

In a correlation matrix,the numbers above and below the diagonal row of 1.00s are a mirror image of themselves.

How is a direct correlation different from an indirect correlation?

Solve for x and y:
x + y = 40
-x + y = -20

A) x = 30; y = 10
B) x = - 10; y = 30
C) x = - 30; y = - 10
D) x = - 60; y = 20
E) x = - 60; y = - 20

If the C$ per US$ exchange rate decreases by C$0.005 from its value C$1.0339 = US$1.00), what will be the change in the US$ per C$ exchange rate?