The independent variable is said to have been confounded whenever
a. the response differences could have been caused by other factors
b. the response differences are significant
c. null is rejected
d. the Type 1 error is committed
Question 2
When a single group of subjects is allocated among any number of categories, the chi square analysis is
a. r by k
b. r by 1
c. 2 by 2
d. 1 by k