i. Nonparametric tests require no assumptions about the shape of the population distribution.
ii. Tests of hypotheses for nominal or ordinal levels of measurement are called nonparametric or distribution-free tests.
Iii) There is not one, but a family of chi-square distributions. There is a chi-square distribution for 1 degree of freedom, another for 2 degrees of freedom, another for 3 degrees of freedom, and so on.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Question

i. Nonparametric tests require no assumptions about the shape of the population distribution. 
ii. Tests of hypotheses for nominal or ordinal levels of measurement are called nonparametric or distribution-free tests.
Iii) There is not one, but a family of chi-square distributions. There is a chi-square distribution for 1 degree of freedom, another for 2 degrees of freedom, another for 3 degrees of freedom, and so on.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Quizplus · Accepted Answer

Nonparametric tests do not assume a specific population distribution, are used for nominal or ordinal data, and the chi-square distribution varies with degrees of freedom.

I Nonparametric Tests Require No Assumptions About the Shape of the Population