Which two sampling methods require that the researcher know something about the salient characteristics of the population (such as race, ethnicity, or gender) before selecting samples?

As we move from one value of the independent variable to the next we describe the relationship between it and a change in the category of the dependent variable as the ____________.

a. Probability b. Logged odds c. Exponent d. Odds ratio

Amendments to the Constitution must be approved by two thirds of the state legislatures

Indicate whether the statement is true or false