Which of the following is an accurate description of the null hypothesis?
A) a formal statement that there is a significant difference between the hypothesized
value and the value we find in our sample
B) a formal statement that there is no difference between the hypothesized value and the
value we find in our sample
C) a formal statement that there is a slight difference between the hypothesized value
and the value we find in our sample
D) an informal statement that there is a large difference between the hypothesized value
and the value we find in our sample
E) an informal statement that there is an average difference between the hypothesized
value and the value we find in our sample
The chi-square test is useful for determining:
A) if a relationship exists between three categorical variables
B) if a relationship exists between two metric variables
C) if a relationship exists between two categorical variables
D) if a duotonic relationship exists between two variables
E) if a beta is present in the relationship